Patents by Inventor Masayuki Saito
Masayuki Saito has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8632861Abstract: Providing a liquid crystal composition satisfies at least one of characteristics like high maximum temperature of a nematic phase, low minimum temperature of the nematic phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and high stability to heat or has a suitable balance regarding at least two of the characteristics. Providing an AM device has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition has a negative dielectric anisotropy and contains a specific compound having large negative dielectric anisotropy as a first component, a specific two-ring compound having low minimum temperature and negative dielectric anisotropy as a second component and a specific two-ring compound having low viscosity as a third component. The liquid crystal display device contains the composition.Type: GrantFiled: August 16, 2010Date of Patent: January 21, 2014Assignees: JNC Corporation, JNC Petrochemical CorporationInventor: Masayuki Saito
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Patent number: 8632696Abstract: The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two characteristics. The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention provides a liquid crystal composition having a negative dielectric anisotropy that contains a specific compound having negatively large dielectric anisotropy as the first component, and has a specific two ring compound having a low viscosity as the second component, and provides a liquid crystal display device containing the composition.Type: GrantFiled: October 21, 2010Date of Patent: January 21, 2014Assignees: JNC Corporation, Chisso Petrochemical CorporationInventor: Masayuki Saito
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Publication number: 20130344243Abstract: The present invention is an organoplatinum compound for producing a platinum thin film or a platinum compound thin film by chemical vapor deposition, wherein the organoplatinum compound is represented by the following formula, and includes a divalent platinum atom, and hexadiene or a hexadiene derivative and alkyl anions coordinated to the divalent platinum atom. In the following formula, R1 and R2 are each an alkyl group, and may be different from each other. R3 and R4 are each a hydrogen atom or an alkyl group, and may be different from each other. The organoplatinum compound is satisfactory in stability and generates no toxic substance in film formation, and hence is satisfactory in handleability and excellent in practicability. The organoplatinum compound has a high vapor pressure, enables the film formation at a low temperature, and is useful as a CVD raw material easily forming a film on a spatial structure.Type: ApplicationFiled: April 16, 2012Publication date: December 26, 2013Applicant: TANAKA KIKINZOKU KOGYO K.K.Inventors: Kazuharu Suzuki, Shunichi Nabeya, Masayuki Saito
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Patent number: 8609207Abstract: The invention provides a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced between at least two of the characteristics. The liquid crystal composition has a nematic phase, and includes a specific optically active compound as a first component and may optionally include a specific compound having a high maximum temperature or a small viscosity as a second component, and a specific compound having a large positive dielectric anisotropy as a third component, and the liquid crystal display device contains this composition.Type: GrantFiled: March 2, 2010Date of Patent: December 17, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Takashi Hiraoka, Masayuki Saito, Kouki Sago
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Patent number: 8586152Abstract: A liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, a high stability to heat and a short helical pitch is provided, wherein the liquid crystal composition has a negative dielectric anisotropy and contains a specific optically active compound as a first compound, a specific compound having a large negative dielectric anisotropy as a second component, and may contain a specific compound having a high maximum temperature or a small viscosity as a third component, a specific compound having a large negative dielectric anisotropy as a fourth component and a specific optically active compound as a fifth component, and a liquid crystal display device that contains the composition.Type: GrantFiled: September 1, 2010Date of Patent: November 19, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Yoshimasa Furusato, Takashi Hiraoka, Masayuki Saito
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Patent number: 8555547Abstract: An object of the present invention is to provide a plant cultivating unit that can perform a watering operation in a simple manner and can supply water uniformly to plants in locations where a floor surface is sloped, such as the rooftop of a building, without requiring separate water supply piping work. A plant cultivating unit (1) comprises a water storage tray (2) in which water can be stored and in which receivers (3) for housing the roots of plants can be arranged in an interior thereof, a water storage space (8) in the water storage tray (2) and the receivers (3) being communicated via water feeders (7), and the water stored in the water storage space (8) being able to be supplied to the plants via the water feeders (7).Type: GrantFiled: November 28, 2006Date of Patent: October 15, 2013Assignee: Suntory Holdings LimitedInventors: Masaki Hashimoto, Katsuro Miyagawa, Masayuki Saito
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Patent number: 8537055Abstract: A portable electronic device and a magnetic field antenna circuit are provided for making it possible to keep an antenna resonance frequency in a fixed range even if temperature changes. A mobile telephone device (1) is provided with a second communication unit driven by a chargeable battery (43) to execute a predetermined function and an RFID unit (41) accompanied with magnetic communication. The RFID unit (41) includes a magnetic antenna unit (50), which can transmit or receive a wireless signal by a magnetic field, and a capacitor (52), one terminal of which is connected with the magnetic antenna unit (50) to generate a predetermined resonance frequency. The capacitor (52) is characterized in having a temperature-reactance characteristic reverse to an amount of an inductance value that fluctuates as the magnetic antenna unit (50) changes in accordance with temperatures.Type: GrantFiled: February 27, 2008Date of Patent: September 17, 2013Assignee: Kyocera CorporationInventors: Kenji Waku, Tadashi Koyama, Masayuki Saito, Yasuhiro Katayama, Katsuji Morishita, Shinobu Kato
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Patent number: 8535562Abstract: Provided is a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and a high stability to heat, or having a suitable balance regarding at least two of the characteristics. Also provided is an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having a large elastic constant as a first component, and a specific compound having a large dielectric anisotropy as a second component, and has a nematic phase, and a liquid crystal display device contains the composition.Type: GrantFiled: November 1, 2010Date of Patent: September 17, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Norikatsu Hattori, Takashi Hiraoka, Taketo Maeda, Masayuki Saito
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Patent number: 8535768Abstract: Described is a liquid crystal composition which satisfies at least one of such characteristics as high upper limit temperature of the nematic phase, low lower limit temperature of the nematic phase, low viscosity, adequate optical anisotropy, large negative dielectric anisotropy, high resistivity, high stability to ultraviolet light and high stability to heat, or which has an adequate balance between at least two of the above-mentioned characteristics. Also described is an AM element having a short response time, high voltage holding ratio, high contrast ratio, long life and the like. The liquid crystal composition contains a specific compound having a large negative dielectric anisotropy and a low lower limit temperature as a first component, a specific compound having a low viscosity or a high upper limit temperature as a second component, and a specific compound having a polymerizable group as a third component. The AM element contains the composition.Type: GrantFiled: January 15, 2010Date of Patent: September 17, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventor: Masayuki Saito
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Publication number: 20130228719Abstract: Providing a liquid crystal composition satisfies at least one of characteristics like a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat. Providing a liquid crystal composition has a suitable balance regarding at least two of the characteristics. Providing an AM device has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition has a negative dielectric anisotropy and contains a specific compound having a large negative dielectric anisotropy as a first component and a specific three-ring compound having a large optical anisotropy and a negative dielectric anisotropy as a second component, and a liquid crystal display device contains the composition.Type: ApplicationFiled: August 16, 2010Publication date: September 5, 2013Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventor: MASAYUKI SAITO
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Publication number: 20130222755Abstract: To provide a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, and so forth. To provide an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having a polymerizable group as a first component and a specific compound having a large negative dielectric anisotropy and a low minimum temperature as a second component, and may contain a specific compound having a small viscosity or a large maximum temperature as a third component, and a liquid crystal display device includes the composition.Type: ApplicationFiled: November 2, 2011Publication date: August 29, 2013Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Yoshimasa Furusato, Eriko Kurihara, Masayuki Saito
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Patent number: 8512821Abstract: The invention is to provide an AM device containing a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics, and having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, where the liquid crystal display device contains the liquid crystal composition that includes a specific compound having a large dielectric anisotropy as a first component and having positive dielectric anisotropy.Type: GrantFiled: May 6, 2010Date of Patent: August 20, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventor: Masayuki Saito
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Patent number: 8477385Abstract: An image reading apparatus includes a casing, a light emitting section, a substrate, a support member, and a light guide. The light emitting section includes plural point light sources disposed in a row. The light emitting section is installed to a first face of the substrate. The support member is installed to the casing and supports a second face of the substrate at a projection portion where a position of the light emitting section is projected at the second face of the substrate. The light guide is installed to the casing adjacent to the light emitting section, and guides light from the light emitting section to a read-face.Type: GrantFiled: February 16, 2010Date of Patent: July 2, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Kaoru Takahashi, Hironori Shimada, Minoru Aoki, Masayuki Saito
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Patent number: 8454856Abstract: A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, and so forth. The liquid crystal composition has a nematic phase, wherein the first component contains a specific five rings compound having a large optical anisotropy and a large dielectric anisotropy, the second component contains a specific compound having a low viscosity. The liquid crystal display device contains the liquid crystal composition having a nematic phase and the composition thereof.Type: GrantFiled: August 25, 2008Date of Patent: June 4, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Shigeru Kibe, Masayuki Saito
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Publication number: 20130134355Abstract: The invention provides a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large positive dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or provides a liquid crystal composition having a suitable balance regarding at least two of the characteristics. A liquid crystal display device containing such a liquid crystal composition is applied as an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, and thus can be suitably used for a liquid crystal projector, a liquid crystal television and so forth.Type: ApplicationFiled: July 27, 2011Publication date: May 30, 2013Applicants: JNC PETROCHEMICAL CORPORATION, JNC CORPORATIONInventors: Masayuki Saito, Takashi Hiraoka
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Patent number: 8440271Abstract: Providing a liquid crystal composition satisfies at least one of characteristics like a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat or has a suitable balance regarding at least two of the characteristics. Providing an AM device has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition has a negative dielectric anisotropy and contains a specific compound having large negative dielectric anisotropy as a first component, a specific three-ring compound having large optical anisotropy as a second component and a specific two-ring compound having low viscosity as a third component, and a liquid crystal display device contains the composition.Type: GrantFiled: August 16, 2010Date of Patent: May 14, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventor: Masayuki Saito
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Patent number: 8404317Abstract: The invention is to provide a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and heat, or a liquid crystal composition having a suitable balance regarding at least two of the characteristics; and an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth; wherein a liquid crystal composition has a negative dielectric anisotropy and contains a specific compound having a large negative dielectric anisotropy as a first component and a specific two-ring compound having a large optical anisotropy and a low viscosity as a second component, and a liquid crystal display device contains the composition.Type: GrantFiled: December 23, 2011Date of Patent: March 26, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Masayuki Saito, Norikatsu Hattori
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Patent number: 8398886Abstract: The invention provides a liquid crystal composition that includes a specific compound having a negatively large dielectric anisotropy as a first component and a specific compound having a negatively large dielectric anisotropy as a second component, that optionally includes a specific compound having a high maximum temperature or a small viscosity as a third component and a specific compound having a negatively large dielectric anisotropy as a fourth component, and that has negative dielectric anisotropy, and provides a liquid crystal display device containing this composition.Type: GrantFiled: August 20, 2010Date of Patent: March 19, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventors: Takayoshi Yanai, Masayuki Saito
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Publication number: 20130056236Abstract: An object of the present invention is to provide a threaded fastener tightening and loosening device capable of achieving operations of both tightening and loosening a threaded fastener at high speed and with high torque precision by means of a single rotation drive source. A first input shaft (5) which is rotated by being driven by an AC servo motor (3) is provided. A second input shaft (9) is connected to the first input shaft (5) via an electromagnetic clutch (8). An output shaft (11) to which a threaded fastener tightening tool is connected is provided. The second input shaft (9) is connected to the output shaft (11) while the first input shaft (5) is connected via a speed reduction device (12) and a tool clutch (14).Type: ApplicationFiled: December 13, 2010Publication date: March 7, 2013Inventors: Satoshi Morinishi, Masayuki Saito
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Patent number: 8377520Abstract: The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced between at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition includes a specific compound having a large negative dielectric anisotropy and a low minimum temperature as a first component and a specific compound having a large negative dielectric anisotropy, and the liquid crystal display device contains this composition.Type: GrantFiled: October 21, 2009Date of Patent: February 19, 2013Assignees: JNC Corporation, JNC Petrochemical CorporationInventor: Masayuki Saito