Patents by Inventor Kenkichi Suzuki

Kenkichi Suzuki 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).

  • Patent number: 8778719
    Abstract: The linear semiconductor substrate 1 or 2 of the present invention comprises at least one desired thin film 4 formed on a linear substrate 3 having a length ten or more times greater than a width, thickness, or diameter of the linear substrate itself. Adopting semiconductor as the thin film 4 forms a linear semiconductor thin film. The linear semiconductor substrate 1 or 2 of the present invention is produced by utilizing a fiber-drawing technique which is a fabricating technique of optical fibers.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: July 15, 2014
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Toshihiro Nakamura, Nobuaki Orita, Hisashi Koaizawa, Kenkichi Suzuki, Hiroshi Kuraseko, Michio Kondo
  • Patent number: 8598017
    Abstract: The present invention provides a SOI substrate that can realize a composite device formed of a MOS integrated circuit and a passive device and can reduce a size and a manufacturing cost of a semiconductor device. There is provided a fiber SOI substrate 5 comprising a fiber 1 with a polygonal cross section, and a semiconductor thin film 3 crystallized after film formation on at least one surface of the fiber 1, and a plurality of grooves 8 that extend in a linear direction of the fiber 1 and are arranged at intervals in a width direction are formed on a surface of the fiber 1.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: December 3, 2013
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Takashi Fuyuki, Kenkichi Suzuki, Sadayuki Toda, Hisashi Koaizawa
  • Publication number: 20130023090
    Abstract: The present invention provides a SOI substrate that can realize a composite device formed of a MOS integrated circuit and a passive device and can reduce a size and a manufacturing cost of a semiconductor device. There is provided a fiber SOI substrate 5 comprising a fiber 1 with a polygonal cross section, and a semiconductor thin film 3 crystallized after film formation on at least one surface of the fiber 1, and a plurality of grooves 8 that extend in a linear direction of the fiber 1 and are arranged at intervals in a width direction are formed on a surface of the fiber 1.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 24, 2013
    Applicant: THE FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takashi FUYUKI, Kenkichi Suzuki, Sadayuki Toda, Hisashi Koaizawa
  • Publication number: 20120034728
    Abstract: The linear semiconductor substrate 1 or 2 of the present invention comprises at least one desired thin film 4 formed on a linear substrate 3 having a length ten or more times greater than a width, thickness, or diameter of the linear substrate itself. Adopting semiconductor as the thin film 4 forms a linear semiconductor thin film. The linear semiconductor substrate 1 or 2 of the present invention is produced by utilizing a fiber-drawing technique which is a fabricating technique of optical fibers.
    Type: Application
    Filed: September 6, 2011
    Publication date: February 9, 2012
    Applicant: Furukawa Electric Co, Ltd.
    Inventors: Toshihiro NAKAMURA, Nobuaki ORITA, Hisashi KOAIZAWA, Kenkichi SUZUKI, Hiroshi KURASEKO, Michio KONDO
  • Patent number: 8039927
    Abstract: The linear semiconductor substrate 1 or 2 of the present invention comprises at least one desired thin film 4 formed on a linear substrate 3 having a length ten or more times greater than a width, thickness, or diameter of the linear substrate itself. Adopting semiconductor as the thin film 4 forms a linear semiconductor thin film. The linear semiconductor substrate 1 or 2 of the present invention is produced by utilizing a fiber-drawing technique which is a fabricating technique of optical fibers.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: October 18, 2011
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Toshihiro Nakamura, Nobuaki Orita, Hisashi Koaizawa, Kenkichi Suzuki, Hiroshi Kuraseko, Michio Kondo
  • Patent number: 8029327
    Abstract: A display device includes a first fiber having a silicon layer or an oxide layer, on which an active element is formed on the surface of the fiber and a second fiber forming a combined one-dimensional substrate together with the first fiber by being combined with the first fiber and having light emitting layers formed on a plurality of domains of the device. The first fiber and the second fiber are respectively drawn out from take-up jigs, are cut in necessary lengths and separated into plural fibers, and these plural first or second fibers are mounted in parallel with each other on a fixing jig. In this state, at least one-side elements of active elements and passive elements are formed on the first or second fibers.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: October 4, 2011
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Tsuneo Suzuki, Takeshi Hirayama, Hisashi Koaizawa, Kiyoshi Yase, Kenkichi Suzuki, Michio Kondo
  • Publication number: 20100136870
    Abstract: The invention provides a display device using a one-dimensional substrate making layout of a substrate unnecessary and realizing a further low cost. A display device of the invention comprises a first fiber having a silicon layer or an oxide layer, on which an active element is formed, formed on the surface of it and a second fiber forming a combined one-dimensional substrate together with the first fiber by being combined with the first fiber and having light emitting layers formed on a plurality of domains of it, wherein the first fiber and the second fiber are respectively drawn out from take-up jigs, are cut in necessary lengths and separated into plural fibers, and these plural first or second fibers are mounted in parallel with each other on a fixing jig and in this state, at least one-side elements of active elements and passive elements are formed on the first or second fibers.
    Type: Application
    Filed: January 29, 2010
    Publication date: June 3, 2010
    Applicant: THE FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tsuneo SUZUKI, Takeshi Hirayama, Hisashi Koaizawa, Kiyoshi Yase, Kenkichi Suzuki, Michio Kondo
  • Publication number: 20090001501
    Abstract: The present invention provides a SOI substrate that can realize a composite device formed of a MOS integrated circuit and a passive device and can reduce a size and a manufacturing cost of a semiconductor device. There is provided a fiber SOI substrate 5 comprising a fiber 1 with a polygonal cross section, and a semiconductor thin film 3 crystallized after film formation on at least one surface of the fiber 1, and a plurality of grooves 8 that extend in a linear direction of the fiber 1 and are a ranged at intervals in a width direction are formed on a surface of the fiber 1.
    Type: Application
    Filed: October 27, 2005
    Publication date: January 1, 2009
    Applicant: THE FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takashi Fuyuki, Kenkichi Suzuki, Sadayuki Toda, Hisashi Koaizawa
  • Patent number: 7297982
    Abstract: A display device includes a pixel region having a plurality of pixels and a peripheral circuit region disposed at a periphery of the pixel region for driving the pixels. The peripheral circuit region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a first kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the first kind is at least 3 ?m. The pixel region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a second kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the second kind is at least 0.05 ?m.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: November 20, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Kenkichi Suzuki, Tetsuya Nagata, Michiko Takahashi, Masakazu Saito, Toshio Ogino, Masanobu Miyano
  • Publication number: 20060263921
    Abstract: The linear semiconductor substrate 1 or 2 of the present invention comprises at least one desired thin film 4 formed on a linear substrate 3 having a length ten or more times greater than a width, thickness, or diameter of the linear substrate itself. Adopting semiconductor as the thin film 4 forms a linear semiconductor thin film. The linear semiconductor substrate 1 or 2 of the present invention is produced by utilizing a fiber-drawing technique which is a fabricating technique of optical fibers.
    Type: Application
    Filed: March 23, 2006
    Publication date: November 23, 2006
    Applicant: The Furukawa Electric Co, Ltd.
    Inventors: Toshihiro Nakamura, Nobuaki Orita, Hisashi Koaizawa, Kenkichi Suzuki, Hiroshi Kuraseko, Michio Kondo
  • Publication number: 20060257074
    Abstract: The invention provides a display device using a one-dimensional substrate making layout of a substrate unnecessary and realizing a further low cost. A display device of the invention comprises a first fiber 80 having a silicon layer or an oxide layer, on which an active element is formed, formed on the surface of it and a second fiber 81 forming a combined one-dimensional substrate together with the first fiber 80 by being combined with the first fiber 80 and having light emitting layers formed on a plurality of domains of it, wherein the first fiber 80 and the second fiber 81 are respectively drawn out from take-up jigs, are cut in necessary lengths and separated into plural fibers, and these plural first or second fibers 80 or 81 are mounted in parallel with each other on a fixing jig and in this state, at least one-side elements of active elements and passive elements are formed on the first or second fibers 80 or 81.
    Type: Application
    Filed: March 17, 2006
    Publication date: November 16, 2006
    Applicant: THE FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tsuneo Suzuki, Takeshi Hirayama, Hisashi Koaizawa, Kiyoshi Yase, Kenkichi Suzuki, Michio Kondo
  • Publication number: 20060110869
    Abstract: A display device includes a pixel region having a plurality of pixels and a peripheral circuit region disposed at a periphery of the pixel region for driving the pixels. The peripheral circuit region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a first kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the first kind is at least 3 ?m. The pixel region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a second kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the second kind is at least 0.05 ?m.
    Type: Application
    Filed: August 16, 2005
    Publication date: May 25, 2006
    Inventors: Kenkichi Suzuki, Tetsuya Nagata, Michiko Takahashi, Masakazu Saito, Toshio Ogino, Masanobu Miyano
  • Patent number: 6965122
    Abstract: A display device includes a pixel region having a plurality of pixels and a peripheral circuit region disposed at a periphery of the pixel region for driving the pixels. The peripheral circuit region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a first kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the first kind is at least 3 ?m. The pixel region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a second kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the second kind is at least 0.05 ?m.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: November 15, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Kenkichi Suzuki, Tetsuya Nagata, Michiko Takahashi, Masakazu Saito, Toshio Ogino, Masanobu Miyano
  • Patent number: 6924860
    Abstract: A process for manufacturing a liquid crystal display device including a step of irradiating polarized UV light to an orientation film formed on a substrate. A power of the irradiating polarized UV light is set to a value which is less than 10 mJ/cm2.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: August 2, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Masahito Ohe, Shigeru Matsuyama, Kenkichi Suzuki, Masaaki Matsuda
  • Publication number: 20040189911
    Abstract: A process for manufacturing a liquid crystal display device including a step of irradiating polarized UV light to an orientation film formed on a substrate. A power of the irradiating polarized UV light is set to a value which is less than 10 mJ/cm2.
    Type: Application
    Filed: April 15, 2004
    Publication date: September 30, 2004
    Inventors: Masahito Ohe, Shigeru Matsuyama, Kenkichi Suzuki, Masaaki Matsuda
  • Patent number: 6724455
    Abstract: A liquid crystal display device having a pair of substrates with a liquid crystal layer interposed between the pair of substrates. One of the pair of substrates includes a plurality of scanning electrodes, a plurality of signal electrodes arranged so as to cross the plurality of scanning electrodes, a plurality of thin film transistors arranged in the vicinity of crossing points of the scanning electrodes and the signal electrodes, a plurality of common electrodes, and a plurality of pixel electrodes arranged between each of the common electrodes. An electric field is formed in the liquid crystal layer by applying a voltage to the pixel electrodes and the plurality of common electrodes. The other substrate of the pair of substrates includes color filters, an insulating film for flattening the color filters arranged on the color filters, and an orientation control film arranged on the insulating film.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: April 20, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Katsumi Kondo, Hiromu Terao, Hidetoshi Abe, Masuyuki Ohta, Kenkichi Suzuki, Tohru Sasaki, Genshiro Kawachi, Junichi Ohwada
  • Patent number: 6628261
    Abstract: A drive circuit for a liquid crystal display apparatus and a large-sized liquid crystal display apparatus integrated with the drive circuit and having a reduced area occupied by the circuits. The drive circuit includes sample/hold circuits for sampling the input voltage at a predetermined timing, comparator circuits for comparing the output of the sample/hold circuits with the voltage of the signal line VD(i), switches for controlling the output voltage of the signal line, a voltage supply circuit constituted as an image signal control circuit for supplying a voltage to the switches, and control circuits for controlling the switches in accordance with the output of the comparator circuits. For the liquid crystal display panel drive circuit configured as described above, the signal line is controlled by the switches, and therefore the area occupied by the drive circuits can be reduced.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: September 30, 2003
    Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.
    Inventors: Hideo Sato, Yoshiro Mikami, Makoto Tsumura, Genshiro Kawachi, Tatsuya Ohkubo, Shigeo Shimomura, Kenkichi Suzuki, Masanao Yamamoto
  • Publication number: 20030164501
    Abstract: A display device includes a pixel region having a plurality of pixels and a peripheral circuit region disposed at a periphery of the pixel region for driving the pixels. The peripheral circuit region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a first kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the first kind is at least 3 &mgr;m. The pixel region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a second kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the second kind is at least 0.05 &mgr;m.
    Type: Application
    Filed: January 10, 2003
    Publication date: September 4, 2003
    Inventors: Kenkichi Suzuki, Tetsuya Nagata, Michiko Takahashi, Masakazu Saito, Toshio Ogino, Masanobu Miyano
  • Patent number: 6512247
    Abstract: A display device includes a pixel region having a plurality of pixels and a peripheral circuit region disposed at a periphery of the pixel region for driving the pixels. The peripheral circuit region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a first kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the first kind is at least 3 &mgr;m. The pixel region includes transistors fabricated from polycrystalline semiconductor and having a semiconductor crystalline grain of a second kind in a channel region thereof, wherein a grain size of the semiconductor crystalline grain of the second kind is at least 0.05 &mgr;m.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: January 28, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Kenkichi Suzuki, Tetsuya Nagata, Michiko Takahashi, Masakazu Saito, Toshio Ogino, Masanobu Miyano
  • Publication number: 20020063822
    Abstract: A liquid crystal display device having a pair of substrates with a liquid crystal layer interposed between the pair of substrates. One of the pair of substrates includes a plurality of scanning electrodes, a plurality of signal electrodes arranged so as to cross the plurality of scanning electrodes, a plurality of thin film transistors arranged in the vicinity of crossing points of the scanning electrodes and the signal electrodes, a plurality of common electrodes, and a plurality of pixel electrodes arranged between each of the common electrodes. An electric field is formed in the liquid crystal layer by applying a voltage to the pixel electrodes and the plurality of common electrodes. The other substrate of the pair of substrates includes color filters, an insulating film for flattening the color filters arranged on the color filters, and an orientation control film arranged on the insulating film.
    Type: Application
    Filed: January 17, 2002
    Publication date: May 30, 2002
    Inventors: Katsumi Kondo, Hiromu Terao, Hidetoshi Abe, Masuyuki Ohta, Kenkichi Suzuki, Tohru Sasaki, Genshiro Kawachi, Junichi Ohwada