Patents by Inventor Hirokazu Nakayoshi
Hirokazu Nakayoshi 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: 7456894Abstract: An image pickup apparatus includes a case, a photographing optical system, an imaging element, and a viewfinder device. The viewfinder device includes a viewfinder case, a transmission liquid crystal panel, a lighting device, a first sheet polarizer, and a second sheet polarizer. The viewfinder case includes a case body and a case partitioning member. The lighting device and the first sheet polarizer are supported inside the case partitioning member. The transmission liquid crystal panel is supported inside the case partitioning member with the display surface faced to the window. The second sheet polarizer is supported inside the case body.Type: GrantFiled: December 22, 2005Date of Patent: November 25, 2008Assignee: Sony CorporationInventors: Kunihito Saiki, Hirokazu Nakayoshi, Toshitake Terada, Shunichi Matsunaga
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Patent number: 7270464Abstract: A back-light device and a liquid crystal display in which light from light sources is guided to a light-guiding plate efficiently and heat of the light sources is dissipated efficiently. The back-light device of the liquid crystal panel has a front frame and a rear frame. There are provided four optical sheets, a light-guiding plate, a flexible PCB, two light sources, and a reflecting sheet between the front frame and the rear frame. The flexible PCB has a PCB part and two erected parts. A resistor and a thermistor as electronic parts and two light sources are installed on the PCB part in the vicinity of the erected parts. A light-radiating surface of the light source is pressed to an incident surface of the light-guiding plate by the erected part.Type: GrantFiled: December 22, 2003Date of Patent: September 18, 2007Assignee: Sony CorporationInventors: Hirokazu Nakayoshi, Kazuo Hashimoto, Isamu Noguchi
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Patent number: 7190355Abstract: An input device and an electronic apparatus using such an input device capable of providing visual amusement at the time of operating thereof and allowing the down sizing and thinning are provided. The input device has a reversible chromatic layer exhibiting color change in response to temperature change, and a sheet-type input portion laminated on the reversible chromatic layer and activates ON operation upon being pressed.Type: GrantFiled: October 15, 2003Date of Patent: March 13, 2007Assignee: Sony CorporationInventors: Shigeki Motoyama, Hirokazu Nakayoshi, Shun Kayama, Yasuhiro Kataoka, Toshitaka Kawashima, Junichi Ohsako
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Publication number: 20060170806Abstract: An image pickup apparatus includes a case, a photographing optical system, an imaging element, and a viewfinder device. The viewfinder device includes a viewfinder case, a transmission liquid crystal panel, a lighting device, a first sheet polarizer, and a second sheet polarizer. The viewfinder case includes a case body and a case partitioning member. The lighting device and the first sheet polarizer are supported inside the case partitioning member. The transmission liquid crystal panel is supported inside the case partitioning member with the display surface faced to the window. The second sheet polarizer is supported inside the case body.Type: ApplicationFiled: December 22, 2005Publication date: August 3, 2006Applicant: Sony CorporationInventors: Kunihito Saiki, Hirokazu Nakayoshi, Toshitake Terada, Shunichi Matsunaga
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Publication number: 20060152944Abstract: It is an object of the present invention to provide a back-light device and a liquid crystal display whose manufacturing costs are low and wherein the light from light sources is guided to a light-guiding plate efficiently and the heat of the light sources is dissipated efficiently. The back-light device (12) of the liquid crystal panel (10) has a front frame (14) and a rear frame (26). There are provided four optical sheets (16), a light-guiding plate (18), a flexible PCB (20), two light sources (22), and a reflecting sheet (24) between the front frame (14) and the rear frame (26). The flexible PCB (20) has a PCB part (2002) and two erected parts (2003). A resistor (2008) and a thermistor (2010) as electronic parts, and two light sources (22) are installed on the PCB part (2002) in the vicinity of the erected parts (2003). A light-radiating surface (2202) of the light source (22) is pressed to an incident surface (1802) of the light-guiding plate (18) by the erected part (2003).Type: ApplicationFiled: December 22, 2003Publication date: July 13, 2006Applicant: Sony CorporationInventors: Hirokazu Nakayoshi, Kazuo Hashimoto, Isamu Noguchi
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Publication number: 20040080490Abstract: An input device and an electronic apparatus using such an input device capable of providing visual amusement at the time of operating thereof and allowing the down sizing and thinning are provided. The input device has a reversible chromatic layer exhibiting color change in response to temperature change, and a sheet-type input portion laminated on the reversible chromatic layer and activates ON operation upon being pressed.Type: ApplicationFiled: October 15, 2003Publication date: April 29, 2004Inventors: Shigeki Motoyama, Hirokazu Nakayoshi, Shun Kayama, Yasuhiro Kataoka, Toshitaka Kawashima, Junichi Ohsako
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Patent number: 6690362Abstract: An input device and an electronic apparatus using such an input device capable of providing visual amusement at the time of operating thereof and allowing the down sizing and thinning are provided. The input device has a reversible chromatic layer exhibiting color change in response to temperature change, and a sheet-type input portion laminated on the reversible chromatic layer and activates ON operation upon being pressed.Type: GrantFiled: September 15, 2000Date of Patent: February 10, 2004Assignee: Sony CorporationInventors: Shigeki Motoyama, Hirokazu Nakayoshi, Shun Kayama, Yasuhiro Kataoka, Toshitaka Kawashima, Junichi Ohsako
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Patent number: 6518656Abstract: An image pickup device is provided with a reduced profile. There is provided a circuit board that is formed with a predetermined circuit pattern having bonding portions and which has a through hole, a pickup element that has a light-receiving portion and bonded portions and which is secured to one surface of the circuit board by bonding the bonded portions to the bonding portions of the circuit pattern, and a cover body which has a lens portion for guiding incident light to the light-receiving portion of the pickup element through the through hole of the circuit board and that is secured to another surface of the circuit board opposite to the above-mentioned surface such that the through hole is covered.Type: GrantFiled: October 13, 2000Date of Patent: February 11, 2003Assignee: Sony CorporationInventors: Yoshinori Nakayama, Hirokazu Nakayoshi
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Publication number: 20020064904Abstract: There is provided a connection method of a semiconductor element in which even in the case where a semiconductor element includes a sealing inhibited region, it can be easily electrically connected to a substrate, and thinning and miniaturization can be realized.Type: ApplicationFiled: January 28, 2002Publication date: May 30, 2002Inventors: Yoshitaka Yoshino, Hirokazu Nakayoshi
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Publication number: 20010019179Abstract: There is provided a connection method of a semiconductor element in which even in the case where a semiconductor element includes a sealing inhibited region, it can be easily electrically connected to a substrate, and thinning and miniaturization can be realized.Type: ApplicationFiled: December 27, 2000Publication date: September 6, 2001Inventors: Yoshitaka Yoshino, Hirokazu Nakayoshi
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Patent number: 5990936Abstract: An imaging system includes left and right display panels arranged so as to be viewed separately by left and right eyes of a viewer. A three dimensional video signal is supplied to a drive circuit for the display panels such that image data from the three dimensional video signal is supplied alternately to the left and right display panels. The display panels are of a memory effect LCD type such that, when no image data is received by the display panel, the image data of the previously received field is maintained on display for providing flickerless imaging.Type: GrantFiled: March 3, 1994Date of Patent: November 23, 1999Assignee: Sony CorporationInventors: Hirokazu Nakayoshi, Yoshiki Shirochi, Seizi Sato, Hiroyuki Shiota, Hiroshi Mamiya, Naoki Kamaya
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Patent number: 5742497Abstract: A cold-cathode fluorescent lamp lighting device which enables to perform high-efficiency lighting of a cold-cathode fluorescent lamp.Type: GrantFiled: September 19, 1996Date of Patent: April 21, 1998Assignee: Sony CorporationInventors: Kazuo Hashimoto, Hirokazu Nakayoshi
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Patent number: 5365407Abstract: A DC power supply device for use with a video tape recorder with a built-in camera has a plurality of power supply blocks for supplying a plurality of voltages, each of the power supply blocks being composed of a switching circuit for being supplied with a DC voltage and a smoothing circuit connected to an output terminal of the switching circuit. The power supply blocks are mounted on a multilayer circuit board which includes a layer of a ground pattern with an electric conductor extending substantially fully thereover, the ground pattern being separated into a plurality of ground pattern portions by a plurality of recesses defined therein, the power supply blocks having respective ground terminals connected to the ground pattern portions, respectively.Type: GrantFiled: January 27, 1993Date of Patent: November 15, 1994Assignee: Sony CorporationInventors: Toshiya Nakabayashi, Hirokazu Nakayoshi, Kazuo Hashimoto
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Patent number: 5357277Abstract: An imaging system comprises left and right display panels arranged so as to be viewed separately by left and right eyes of a viewer. A three dimensional video signal is supplied to a drive circuit for the display panels such that image data from the three dimensional video signal is supplied alternately to the left and right display panels. The display panels are of a memory effect LCD type such that, when no image data is received by the display panel, the image data of the previously received field is maintained on display for providing `flickerless` imaging.Type: GrantFiled: September 28, 1992Date of Patent: October 18, 1994Assignee: Sony CoporationInventors: Hirokazu Nakayoshi, Yoshiki Shirochi, Seizi Sato, Hiroyuki Shiota, Hiroshi Mamiya, Naoki Kamaya