Patents by Inventor Yuichi Miyoshi
Yuichi Miyoshi 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: 11879833Abstract: A circular dichroism measurement device includes: a sample part having a sample; a PEM that modulates a polarization state of an incoming light to the sample part or an outgoing light from the sample part; a photo detector that detects a change in a light intensity of the outgoing light from the sample part; an amplifier that amplifies a detection signal from the photo detector; an A/D converter that converts the detection signal amplified by the amplifier to a digital signal; and a digital processing device that executes a signal processing to the digital signal from the A/D converter to acquire a measurement value of circular dichroism of the sample. The A/D converter is configured to convert the detection signal, that is amplified in a state of containing the AC component and the DC component of the light intensity that changes with the same frequency as the modulation frequency of PEM.Type: GrantFiled: July 17, 2019Date of Patent: January 23, 2024Assignee: JASCO CORPORATIONInventors: Yuichi Miyoshi, Yoshiro Kondo
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Publication number: 20230112969Abstract: An electrochemical element includes a current collector, and an active material layer supported on the current collector, wherein the active material layer includes active material particles, the active material particles each include lithium silicate composite particles each including a lithium silicate phase and silicon particles dispersed in the lithium silicate phase, and a first coating that covers at least a portion of a surface of the lithium silicate composite particles, the first coating includes an oxide of a first element other than a non-metal element, the active material layer has a thickness TA, and T1b > T1t is satisfied, where T1b is a thickness of the first coating that covers the lithium silicate composite particles at a position of 0.25TA from the surface of the current collector in the active material layer, and T1t is a thickness of the first coating that covers the lithium silicate composite particles at a position of 0.Type: ApplicationFiled: December 17, 2020Publication date: April 13, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yoshinori Satou, Shuhei Uchida, Yuichi Miyoshi, Nobuhiko Hojo
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Publication number: 20230048604Abstract: The present invention provides a reflective polarized-light separating diffraction-element usable in a wide wavelength region including an ultraviolet region, and an optical measurement device comprising the same. The reflective polarized-light separating diffraction-element comprises: a substrate (1); a reflection surface (2) formed on a surface of the substrate (1); and a lattice structured body assembly (3) that is provided on the reflection surface (2) and shows a form birefringence (?n*). The lattice structured body assembly (3) consists of lattice structured bodies (3A, 3B, 3C and 3D) of four patterns having lattice structures of different azimuths. The lattice structured bodies (3A, 3B, 3C and 3D) of a plurality of patterns are aligned on the reflection surface 2 in a predetermined direction such that the azimuths of the lattice structures change in a structurally periodic manner.Type: ApplicationFiled: December 16, 2019Publication date: February 16, 2023Applicants: JASCO CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takashi FUKUDA, Akira EMOTO, Yoshihito NARITA, Hiroshi HAYAKAWA, Yuichi MIYOSHI
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Patent number: 11402320Abstract: A phase difference control device comprises: a splitting polarizer splitting a light incident from a light source into a measurement light and a reference light, both of which are linearly polarized; a PEM imparting a phase difference to the measurement and reference lights to correspond to the spectrometry; a PEM driver supplying a modulation voltage to the PEM; a PEM control circuit inputting the reference light as a feedback signal and outputting a modulation control quantity signal to the PEM driver; and a CPU circuit monitoring the wavelength of the light in the splitting polarizer to input a wavelength variation as a wavelength signal, wherein the CPU circuit converts the wavelength signal to a feedforward signal which is output to the PEM control circuit; and the PEM control circuit performs arithmetic processing by the feedback and feedforward signals to output the modulation control quantity signal to the PEM driver.Type: GrantFiled: January 30, 2019Date of Patent: August 2, 2022Assignee: JASCO CorporationInventor: Yuichi Miyoshi
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Publication number: 20220155218Abstract: A circular dichroism measurement device includes: a sample part having a sample; a PEM that modulates a polarization state of an incoming light to the sample part or an outgoing light from the sample part; a photo detector that detects a change in a light intensity of the outgoing light from the sample part; an amplifier that amplifies a detection signal from the photo detector; an A/D converter that converts the detection signal amplified by the amplifier to a digital signal; and a digital processing device that executes a signal processing to the digital signal from the A/D converter to acquire a measurement value of circular dichroism of the sample. The A/D converter is configured to convert the detection signal, that is amplified in a state of containing the AC component and the DC component of the light intensity that changes with the same frequency as the modulation frequency of PEM.Type: ApplicationFiled: July 17, 2019Publication date: May 19, 2022Applicant: JASCO CORPORATIONInventors: Yuichi MIYOSHI, Yoshiro KONDO
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Publication number: 20200400554Abstract: The present invention relates to a technique of improving responsiveness of a phase difference control device that can be employed in a CD spectrometer.Type: ApplicationFiled: January 30, 2019Publication date: December 24, 2020Inventor: Yuichi MIYOSHI
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Publication number: 20190329199Abstract: A fine bubble generation promoter includes: one of a fatty acid and a fat-soluble vitamin in an amount within a range of 2.4 wt % to 33 wt %, inclusive; and a hydrocarbon in an amount within a range of 67 wt % to 97 wt %, inclusive. A total concentration of (i) one of the fatty acid and the fat-soluble vitamin and (ii) the hydrocarbon is 99 wt % or more.Type: ApplicationFiled: November 16, 2017Publication date: October 31, 2019Inventors: Kou SUGANO, Yuichi MIYOSHI, Shigeru TSUZUKI, Sachiko INAZATO
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Patent number: 10191078Abstract: An acceleration sensor includes a detection device, an opposed electrode, and a top lid. The detection device includes an active layer, a base layer, an oxide layer disposed between the active layer and the base layer, a first insulating layer, a contact portion, and a self-check electrode. The first insulating layer is disposed on the active layer at a side opposite to the oxide layer and provided with a first opening. The contact portion is disposed on a part of the first insulating layer at a side opposite to the active layer and includes a first metal layer connected to the active layer through the first opening. The opposed electrode is disposed at a location opposing the self-check electrode, and the top lid supports the opposed electrode.Type: GrantFiled: May 17, 2016Date of Patent: January 29, 2019Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Atsuhiro Fujii, Takashi Imanaka, Yuichi Miyoshi, Hiroyuki Aizawa
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Patent number: 9989674Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.Type: GrantFiled: May 13, 2016Date of Patent: June 5, 2018Assignee: Canon Kabushiki KaishaInventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
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Publication number: 20160258975Abstract: An acceleration sensor includes a detection device, an opposed electrode, and a top lid. The detection device includes an active layer, a base layer, an oxide layer disposed between the active layer and the base layer, a first insulating layer, a contact portion, and a self-check electrode. The first insulating layer is disposed on the active layer at a side opposite to the oxide layer and provided with a first opening. The contact portion is disposed on a part of the first insulating layer at a side opposite to the active layer and includes a first metal layer connected to the active layer through the first opening. The opposed electrode is disposed at a location opposing the self-check electrode, and the top lid supports the opposed electrode.Type: ApplicationFiled: May 17, 2016Publication date: September 8, 2016Inventors: ATSUHIRO FUJII, TAKASHI IMANAKA, YUICHI MIYOSHI, HIROYUKI AIZAWA
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Publication number: 20160252654Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.Type: ApplicationFiled: May 13, 2016Publication date: September 1, 2016Inventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
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Patent number: 9409168Abstract: The present invention provides a microfluidic device which is molded with a die and has a specimen inlet part. The microfluidic device has the specimen inlet part. The specimen inlet part has an inlet channel for introducing a specimen into the flow channel, wherein the inlet channel has a diameter which continuously and gradually increases as the inlet channel approaches the flow channel, or has a diameter which is constant in the vicinity of an inlet port and then continuously and gradually increases as the inlet channel approaches the flow channel.Type: GrantFiled: August 8, 2013Date of Patent: August 9, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Yuichi Miyoshi, Daigo Kobayashi, Hirotomo Taniguchi
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Patent number: 9360666Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.Type: GrantFiled: May 20, 2013Date of Patent: June 7, 2016Assignee: Canon Kabushiki KaishaInventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
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Publication number: 20140044610Abstract: The present invention provides a microfluidic device which is molded with a die and has a specimen inlet part. The microfluidic device has the specimen inlet part. The specimen inlet part has an inlet channel for introducing a specimen into the flow channel, wherein the inlet channel has a diameter which continuously and gradually increases as the inlet channel approaches the flow channel, or has a diameter which is constant in the vicinity of an inlet port and then continuously and gradually increases as the inlet channel approaches the flow channel.Type: ApplicationFiled: August 8, 2013Publication date: February 13, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Yuichi Miyoshi, Daigo Kobayashi, Hirotomo Taniguchi
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Publication number: 20130316144Abstract: A plastic optical component includes a base member made of a first plastic, and a covering member disposed over a surface of the plastic member. The covering member is made of a second plastic. The water absorption of the first plastic is lower than the water absorption of the second plastic.Type: ApplicationFiled: May 20, 2013Publication date: November 28, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Wataru Kikuchi, Daigo Kobayashi, Yuichi Miyoshi
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Patent number: 8320589Abstract: An electret condenser includes a fixed film 110 including a conductive film 118 to be an upper electrode, a vibrating film 112 including a lower electrode 104 and a silicon oxide film 105 to be an electret film, and a silicon oxide film 108 provided between the fixed film 110 and the vibrating film 112 and including an air gap 109. Respective parts of the fixed film 110 and the vibrating film 112 exposed in the air gap 109 are formed of silicon nitride films 106 and 114.Type: GrantFiled: November 4, 2010Date of Patent: November 27, 2012Assignee: Panasonic CorporationInventors: Tohru Yamaoka, Hiroshi Ogura, Yuichi Miyoshi
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Patent number: 8166827Abstract: A MEMS device, including: a substrate having a first principal plane and a second principal plane opposite to the first principal plane; a through hole formed in the substrate; and a vibrating film formed over the first principal plane so as to cover the through hole. The first principal plane and the second principal plane are both a (110) crystal face; and the through hole has a substantially rhombic shape on the second principal plane.Type: GrantFiled: May 6, 2009Date of Patent: May 1, 2012Assignee: Panasonic CorporationInventors: Yuichi Miyoshi, Tohru Yamaoka, Hidenori Notake, Yusuke Takeuchi
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Patent number: 8146437Abstract: A diaphragm structure for a MEMS device includes a through-hole formed so as to penetrate from an upper surface to a bottom surface of a substrate; and a vibrating electrode film formed on the upper surface of the substrate so as to cover the through-hole. An opening shape of the through-hole in the upper surface of the substrate is substantially hexagonal.Type: GrantFiled: December 3, 2009Date of Patent: April 3, 2012Assignee: Panasonic CorporationInventors: Yuichi Miyoshi, Yusuke Takeuchi, Tohru Yamaoka, Hiroshi Ogura
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Patent number: 8067811Abstract: A MEMS device includes a first insulating film formed on a semiconductor substrate, a vibrating film formed on the first insulating film, and a fixed film above the vibrating film with an air gap being interposed therebetween. The semiconductor substrate has a region containing N-type majority carriers. A concentration of N-type majority carriers in a portion of the semiconductor substrate where the semiconductor substrate contacts the first insulating film, is higher than a concentration of N-type majority carriers in the other portion of the semiconductor substrate.Type: GrantFiled: November 2, 2010Date of Patent: November 29, 2011Assignee: Panasonic CorporationInventors: Tohru Yamaoka, Yuichi Miyoshi
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Publication number: 20110215672Abstract: A MEMS device includes: a semiconductor substrate; a vibrating film formed on the semiconductor substrate with a restraining portion interposed between the vibrating film and the semiconductor substrate, and including a lower electrode, and a fixed film formed on the semiconductor substrate with a support portion interposed between the fixed film and the semiconductor substrate to cover the vibrating film, and including an upper electrode. A gap formed between the vibrating film and the fixed film opposed to each other forms an air gap. The restraining portion provides partial coupling between the semiconductor substrate and the vibrating film, and the vibrating film has a multilayer structure in which the lower electrode and a compressive stress inducing insulating film are laminated. The insulating film is located within the perimeter of the lower electrode.Type: ApplicationFiled: May 17, 2011Publication date: September 8, 2011Applicant: PANASONIC CORPORATIONInventors: TOHRU YAMAOKA, YUICHI MIYOSHI, YUSUKE TAKEUCHI