Patents by Inventor Takayuki Nakao
Takayuki Nakao 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: 8926743Abstract: The metal pigment of the present invention has a structure in which an organic carboxylic acid metal salt is adhered onto metal particles, and may also have a structure in which a first compound is adhered onto the metal particles, and the organic carboxylic acid metal salt is adhered onto the first compound.Type: GrantFiled: July 1, 2010Date of Patent: January 6, 2015Assignees: Toyo Aluminium Kabushiki Kaisha, ADEKA CorporationInventors: Takayuki Nakao, Kazuya Fujimoto, Yoshiki Hashizume, Gaochao Lai, Kazuhiro Umehara, Kenji Yamamoto
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Patent number: 8643594Abstract: A display device with a touch pad function is provided which reduces the elements required to form a photo sensor while still accurately detecting input coordinate positions. The display device includes a display part on which a plurality of pixels are arranged in a matrix array, a plurality of photo detection circuits which are arranged in a matrix array in the inside of the display part, wherein each photo detection circuit of the plurality of photo detection circuits includes: a photo sensor which converts an incident light into a optical current corresponding to intensity of the incident light, an integral capacitance which integrates the optical current converted by the photo sensor, and a comparator to which a voltage of the integral capacitance is inputted, and the comparator includes a transistor of an open drain output type with a grounded source.Type: GrantFiled: April 3, 2012Date of Patent: February 4, 2014Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hideo Sato, Shigeyuki Nishitani, Takayuki Nakao, Naruhiko Kasai, Hajime Akimoto
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Patent number: 8558779Abstract: A display device comprises a driver circuit having a shift register circuit having a level conversion function is provided with a simple circuit configuration of first, second, and third basic circuits connected in tandem at multistages. A common clear signal is supplied to a control electrode of a third transistor of each basic circuit, a first clock is supplied to a control electrode of a first transistor of each of the first and third basic circuits, a second clock different in phase from the first clock is supplied to a control electrode of a first transistor of the second basic circuit, outputs of the first and second basic circuit are respectively supplied to control electrodes of second transistors of the second and third basic circuits, and an inversion output of the third basic circuit is supplied to a control electrode of a fourth transistor of the first basic circuit.Type: GrantFiled: July 24, 2012Date of Patent: October 15, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hideo Sato, Shigeyuki Nishitani, Takayuki Nakao, Masahiro Maki
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Publication number: 20130131187Abstract: A color metallic pigment according to the present invention contains at least a metallic pigment, an amorphous silicon oxide film layer that is formed on the surface of the metallic pigment, a metal oxide layer that is formed on the surface of the amorphous silicon oxide film layer and contains a metal oxide other than silicon oxide, and metal particles that are formed on the surface of the metal oxide layer, wherein the metal particles are so formed as to directly cover a part of the metal oxide layer.Type: ApplicationFiled: June 8, 2011Publication date: May 23, 2013Applicant: TOYO ALUMINIUM KABUSHIKI KAISHAInventors: Yoshiki Hashizume, Taro Morimitsu, Takayuki Nakao
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Publication number: 20120296026Abstract: A metal-coated flake glass of the present invention includes: a flake glass; a metal coating layer formed to coat a surface of the flake glass; and a silicon oxide-based protective layer formed to coat a surface of the metal coating layer. The silicon oxide-based protective layer contains nitrogen at an amount of 0.05 mass % to 0.5 mass % relative to a whole of the metal-coated flake glass.Type: ApplicationFiled: January 13, 2011Publication date: November 22, 2012Inventors: Yoshiki Hashizume, Takayuki Nakao, Shuichi Takenaka, Kazuya Fujimoto
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Publication number: 20120287029Abstract: A display device comprises a driver circuit having a shift register circuit having a level conversion function is provided with a simple circuit configuration of first, second, and third basic circuits connected in tandem at multistages. A common clear signal is supplied to a control electrode of a third transistor of each basic circuit, a first clock is supplied to a control electrode of a first transistor of each of the first and third basic circuits, a second clock different in phase from the first clock is supplied to a control electrode of a first transistor of the second basic circuit, outputs of the first and second basic circuit are respectively supplied to control electrodes of second transistors of the second and third basic circuits, and an inversion output of the third basic circuit is supplied to a control electrode of a fourth transistor of the first basic circuit.Type: ApplicationFiled: July 24, 2012Publication date: November 15, 2012Applicants: Panasonic Liquid Crystal Displays Co., Ltd., Hitachi Displays, Ltd.Inventors: Hideo SATO, Shigeyuki NISHITANI, Takayuki NAKAO, Masahiro MAKI
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Patent number: 8284181Abstract: The present invention provides a display device which includes a common electrode drive circuit having the single channel constitution which can miniaturize a circuit scale without increasing elements compared to a conventional display device. A display device includes a plurality of pixels and a common electrode drive circuit. The common electrode drive circuit includes a plurality of basic circuits, wherein the basic circuit includes a first circuit which latches a first input signal at a point of time that a clock signal is changed to a first voltage level from a second voltage level; a second circuit which latches a second input signal at the point of time that the clock signal is changed to the first voltage level from the second voltage level; a first switching circuit which is turned on based on the first circuit and a second switching circuit which is turned on based on the voltage second circuit.Type: GrantFiled: January 8, 2010Date of Patent: October 9, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Takayuki Nakao, Hideo Sato, Masahiro Maki, Toshio Miyazawa
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Publication number: 20120249483Abstract: A display device with a touch pad function is provided which reduces the elements required to form a photo sensor while still accurately detecting input coordinate positions. The display device includes a display part on which a plurality of pixels are arranged in a matrix array, a plurality of photo detection circuits which are arranged in a matrix array in the inside of the display part, wherein each photo detection circuit of the plurality of photo detection circuits includes: a photo sensor which converts an incident light into a optical current corresponding to intensity of the incident light, an integral capacitance which integrates the optical current converted by the photo sensor, and a comparator to which a voltage of the integral capacitance is inputted, and the comparator includes a transistor of an open drain output type with a grounded source.Type: ApplicationFiled: April 3, 2012Publication date: October 4, 2012Inventors: Hideo SATO, Shigeyuki Nishitani, Takayuki Nakao, Naruhiko Kasai, Hajime Akimoto
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Patent number: 8259055Abstract: A display device comprises a driver circuit having a shift register circuit having a level conversion function is provided with a simple circuit configuration of first, second, and third basic circuits connected in tandem at multistages. A common clear signal is supplied to a control electrode or a third transistor of each basic circuit, a first clock is supplied to a control electrode of a first transistor of each of the first and third basic circuits, a second cock different in phase from the first clock is supplied to a control electrode of a first transistor of the second basic circuit, outputs of the first and second basic circuit are respectively supplied to control electrodes of second transistors of the second and third basic circuits, and an inversion output of the third basic circuit is supplied to a control electrode of a fourth transistor of the first basic circuit.Type: GrantFiled: February 7, 2007Date of Patent: September 4, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hideo Sato, Shigeyuki Nishitani, Takayuki Nakao, Masahiro Maki
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Publication number: 20120129998Abstract: The metal pigment of the present invention has a structure in which an organic carboxylic acid metal salt is adhered onto metal particles, and may also have a structure in which a first compound is adhered onto the metal particles, and the organic carboxylic acid metal salt is adhered onto the first compound.Type: ApplicationFiled: July 1, 2010Publication date: May 24, 2012Inventors: Takayuki Nakao, Kazuya Fujimoto, Yoshiki Hashizume, Gaochao Lai, Kazuhiro Umehara, Kenji Yamamoto
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Patent number: 8184090Abstract: A display device which incorporates a touch panel function therein can reduce the number of elements which constitute a photo sensor circuit and can accurately detect an input coordinate position without requiring a particular coordinate arithmetic circuit. In a display device which includes: a display part on which a plurality of pixels are arranged in a matrix array; and a plurality of photo detection circuits which are arranged in a matrix array in the inside of the display part, each photo detection circuit of the plurality of photo detection circuits includes: a photo sensor which converts an incident light into a optical current corresponding to intensity of the incident light; an integral capacitance which integrates the optical current converted by the photo sensor; and a comparator to which a voltage of the integral capacitance is inputted; and the comparator includes a transistor of an open drain output type with a grounded source.Type: GrantFiled: September 26, 2006Date of Patent: May 22, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hideo Sato, Shigeyuki Nishitani, Takayuki Nakao, Naruhiko Kasai, Hajime Akimoto
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Patent number: 8164560Abstract: A display device is provided which includes a common electrode drive circuit having the single channel constitution which can miniaturize a circuit scale without increasing elements compared to a conventional display device. A display device includes a plurality of pixels and a common electrode drive circuit. The common electrode drive circuit includes a plurality of basic circuits, wherein the basic circuit includes a first circuit which latches a first input signal at a point of time that a clock signal is changed to a first voltage level from a second voltage level; a second circuit which latches a second input signal at the point of time that the clock signal is changed to the first voltage level from the second voltage level; a first switching circuit which is turned on based on the first circuit and a second switching circuit which is turned on based on the second circuit.Type: GrantFiled: March 23, 2010Date of Patent: April 24, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Takayuki Nakao, Hideo Sato, Masahiro Maki, Toshio Miyazawa
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Patent number: 8064026Abstract: A liquid crystal display device having a liquid crystal display panel includes a first substrate, a second substrate, and liquid crystal interposed between the first and second substrates. The first substrate includes an active element, a first insulating film formed on the active element, a plurality of first electrodes disposed on the first insulating film, a second insulating film disposed on the first electrodes, and a pixel electrode disposed on the second insulating film. The pixel electrode is electrically coupled to the active element via a portion defining a contact hole formed in a portion defining a clearance between the plurality of first electrodes.Type: GrantFiled: June 17, 2010Date of Patent: November 22, 2011Assignee: Hitachi Displays, Ltd.Inventors: Takahiro Ochiai, Takayuki Nakao, Toshio Miyazawa, Masahiro Maki, Tohru Sasaki
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Publication number: 20110242471Abstract: A liquid crystal display device having a liquid crystal display panel includes a first substrate, a second substrate, and liquid crystal interposed between the first and second substrates. The first substrate includes an active element, a first insulating film formed on the active element, a plurality of first electrodes disposed on the first insulating film, a second insulating film disposed on the first electrodes, and a pixel electrode disposed on the second insulating film. The pixel electrode is electrically coupled to the active element via a portion defining a contact hole formed in a portion defining a clearance between the plurality of first electrodes.Type: ApplicationFiled: June 13, 2011Publication date: October 6, 2011Inventors: Takahiro Ochiai, Takayuki Nakao, Toshio Miyazawa, Masahiro Maki, Tohru Sasaki
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Patent number: 7998266Abstract: This invention provides a colored metallic pigment, which can develop a variety of colors and varied interference colors while maintaining good lightfastness, weatherfastness and hiding power, a process for producing the same, a coating composition containing the colored metallic pigment and capable of providing a coating film having excellent finished appearance, and a cosmetic preparation containing the colored metallic pigment, having excellent hiding power, and capable of providing sharp hue. The colored metallic pigment comprises at least a metallic pigment, an amorphous silicon oxide film layer provided on the surface of the metallic pigment, a metal layer provided on the surface of the amorphous silicon oxide film layer, and metallic particles provided on the surface of the metal layer. The metallic particles are provided so as to directly cover a part of the surface of the metal layer.Type: GrantFiled: February 9, 2007Date of Patent: August 16, 2011Assignee: Toyo Aluminium Kabushiki KaishaInventors: Taro Morimitsu, Takayuki Nakao, Yoshiki Hashizume, Hideaki Minamiyama, Masakazu Nakamura
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Publication number: 20110179806Abstract: Disclosed is a cooling apparatus including: a heat receiving plate to which a plurality of heating elements are attached; a radiator plate to which a plurality of Peltier devices are attached; a thermal transport heat pipe that couples the heat receiving plate with the radiator plate; and a heat dissipating device being provided on an exothermic side of the Peltier devices; wherein the plurality of heating elements are arranged along a longitudinal direction of the thermal transport heat pipe, and the plurality of Peltier devices are arranged along the longitudinal direction of the thermal transport heat pipe, whereby, when using a plurality of Peltier devices, reducing power consumption thereof by equalizing each operation of the respective Peltier devices.Type: ApplicationFiled: October 22, 2010Publication date: July 28, 2011Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Shigetoshi Ipposhi, Tatsuro Hirose, Kazuo Kadowaki, Takumi Kijima, Takayuki Nakao
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Patent number: 7826015Abstract: A liquid crystal display device having a liquid crystal display panel includes a first substrate, a second substrate, and liquid crystal interposed between the first and second substrates. The first substrate includes an active element, a first insulating film formed on the active element, a plurality of first electrodes disposed on the first insulating film, a second insulating film disposed on the first electrodes, and a pixel electrode disposed on the second insulating film. The pixel electrode is electrically coupled to the active element via a portion defining a contact hole formed in a portion defining a clearance between the plurality of first electrodes.Type: GrantFiled: April 5, 2007Date of Patent: November 2, 2010Assignee: Hitachi Displays, Ltd.Inventors: Takahiro Ochiai, Takayuki Nakao, Toshio Miyazawa, Masahiro Maki, Tohru Sasaki
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Publication number: 20100253895Abstract: A liquid crystal display device having a liquid crystal display panel includes a first substrate, a second substrate, and liquid crystal interposed between the first and second substrates. The first substrate includes an active element, a first insulating film formed on the active element, a plurality of first electrodes disposed on the first insulating film, a second insulating film disposed on the first electrodes, and a pixel electrode disposed on the second insulating film. The pixel electrode is electrically coupled to the active element via a portion defining a contact hole formed in a portion defining a clearance between the plurality of first electrodes.Type: ApplicationFiled: June 17, 2010Publication date: October 7, 2010Inventors: Takahiro Ochiai, Takayuki Nakao, Toshio Miyazawa, Masahiro Maki, Tohru Sasaki
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Patent number: 7806976Abstract: There is provided an aluminum pigment including an aluminum particle having a film formed on a surface thereof, wherein the film contains a metallic amine salt and the metallic amine salt is represented by the compositional formula RmHnN+?O—M(?O)2—OH (wherein M represents a metal element, R represents a hydrocarbon chain optionally having a substituent, m represents an integer of 1 or more, and n represents an integer satisfying n=4?m).Type: GrantFiled: April 28, 2008Date of Patent: October 5, 2010Assignee: Toyo Aluminium Kabushiki KaishaInventor: Takayuki Nakao
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Patent number: 7800575Abstract: The present invention provides a display device which includes a drive circuit having a CMOS shift register circuit constituted of a simple CMOS circuit. A drive circuit includes a shift register circuit, and the shift register circuit includes n(n?2) pieces of basic circuits which are connected vertically in multiple stages.Type: GrantFiled: February 5, 2007Date of Patent: September 21, 2010Assignee: Hitachi Displays, Ltd.Inventors: Takayuki Nakao, Hideo Sato, Masahiro Maki, Toshio Miyazawa