Patents by Inventor Satoshi Kohtaka

Satoshi Kohtaka 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).

  • Publication number: 20080143948
    Abstract: The present invention is a method of mounting flexible circuit boards including: electrode groups formed on an insulating substrate; terminal groups formed in the vicinity of at least one side of the insulating substrate in such a manner as to be connected to outside at the electrode ends of the electrode groups; and terminals to be connected to the terminal groups; and a plurality of flexible circuit boards equipped with driver circuits for inputting signals to the electrode groups via the terminals, wherein the method includes the step of mounting the flexible circuit boards on the insulating substrate in a manner that the flexible circuit boards share overlap regions with adjacent flexible circuit boards.
    Type: Application
    Filed: October 18, 2007
    Publication date: June 19, 2008
    Inventor: Satoshi Kohtaka
  • Patent number: 7349054
    Abstract: The present invention is a method of mounting flexible circuit boards including: electrode groups formed on an insulating substrate; terminal groups formed in the vicinity of at least one side of the insulating substrate in such a manner as to be connected to outside at the electrode ends of the electrode groups; and terminals to be connected to the terminal groups; and a plurality of flexible circuit boards equipped with driver circuits inputting signals to the electrode groups via the terminals, wherein the method includes the step of mounting the flexible circuit boards on the insulating substrate in a manner that the flexible circuit boards share overlap regions with adjacent flexible circuit boards.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: March 25, 2008
    Inventor: Satoshi Kohtaka
  • Patent number: 6882377
    Abstract: The liquid crystal display of the present invention includes: a first insulating substrate as an array substrate; display pixels formed in such a manner as to be arranged in array like shape on the first insulating substrate, said display pixels having pixel electrodes electrically connected to each other; a counter substrate formed on a second insulating substrate on which common electrodes are formed; a liquid crystal layer interposed between the first insulating substrate and the second insulating substrate, the first insulating substrate and the second insulating substrate being bonded each other; a transfer electrode for supplying a common electrical potential to common electrodes on the second insulating substrate through a conductive material; wherein the transfer electrode is formed by patterning a conductive thin film that has been formed by the last conductive film forming process of the first insulating substrate; wherein a second conductive metal film, which has been formed in the second conductiv
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: April 19, 2005
    Assignee: Advanced Display Inc.
    Inventors: Satoshi Kohtaka, Takafumi Hashiguchi, Yukio Endo
  • Patent number: 6836301
    Abstract: The liquid crystal display of the present invention includes: a first insulating substrate as an array substrate; display pixels formed in such a manner as to be arranged in array like shape on the first insulating substrate, said display pixels having pixel electrodes electrically connected to each other; a counter substrate formed on a second insulating substrate on which common electrodes are formed; a liquid crystal layer interposed between the first insulating substrate and the second insulating substrate, the first insulating substrate and the second insulating substrate being bonded each other; a transfer electrode for supplying a common electrical potential to common electrodes on the second insulating substrate through a conductive material; wherein the transfer electrode is formed by patterning a conductive thin film that has been formed by the last conductive film forming process of the first insulating substrate; wherein a second conductive metal film, which has been formed in the second conductiv
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: December 28, 2004
    Assignee: Advanced Display Inc.
    Inventors: Satoshi Kohtaka, Takafumi Hashiguchi, Yukio Endo
  • Publication number: 20040125318
    Abstract: The liquid crystal display of the present invention includes: a first insulating substrate as an array substrate; display pixels formed in such a manner as to be arranged in array like shape on the first insulating substrate, said display pixels having pixel electrodes electrically connected to each other; a counter substrate formed on a second insulating substrate on which common electrodes are formed; a liquid crystal layer interposed between the first insulating substrate and the second insulating substrate, the first insulating substrate and the second insulating substrate being bonded each other; a transfer electrode for supplying a common electrical potential to common electrodes on the second insulating substrate through a conductive material; wherein the transfer electrode is formed by patterning a conductive thin film that has been formed by the last conductive film forming process of the first insulating substrate; wherein a second conductive metal film, which has been formed in the second conductiv
    Type: Application
    Filed: December 17, 2003
    Publication date: July 1, 2004
    Applicant: ADVANCED DISPLAY INC.
    Inventors: Satoshi Kohtaka, Takafumi Hashiguchi, Yukio Endo
  • Patent number: 6690442
    Abstract: The liquid crystal display of the present invention includes: a first insulating substrate as an array substrate; display pixels formed in such a manner as to be arranged in array like shape on the first insulating substrate, said display pixels having pixel electrodes electrically connected to each other; a counter substrate formed on a second insulating substrate on which common electrodes are formed; a liquid crystal layer interposed between the first insulating substrate and the second insulating substrate, the first insulating substrate and the second insulating substrate being bonded each other; a transfer electrode for supplying a common electrical potential to common electrodes on the second insulating substrate through a conductive material; wherein the transfer electrode is formed by patterning a conductive thin film that has been formed by the last conductive film forming process of the first insulating substrate; wherein a second conductive metal film, which has been formed in the second conductiv
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: February 10, 2004
    Assignee: Advanced Display Inc.
    Inventors: Satoshi Kohtaka, Takafumi Hashiguchi, Yukio Endo
  • Publication number: 20030095227
    Abstract: The present invention is a method of mounting flexible circuit boards including: electrode groups formed on an insulating substrate; terminal groups formed in the vicinity of at least one side of the insulating substrate in such a manner as to be connected to outside at the electrode ends of the electrode groups; and terminals to be connected to the terminal groups; and a plurality of flexible circuit boards equipped with driver circuits inputting signals to the electrode groups via the terminals, wherein the method includes the step of mounting the flexible circuit boards on the insulating substrate in a manner that the flexible circuit boards share overlap regions with adjacent flexible circuit boards.
    Type: Application
    Filed: November 12, 2002
    Publication date: May 22, 2003
    Applicant: Advanced Display Inc.
    Inventor: Satoshi Kohtaka
  • Patent number: 6549187
    Abstract: An active matrix liquid crystal display of (2×1) dot inversion driving system, wherein in a case where the active matrix display is driven, voltage is applied to the pixels in such a manner that polarity is changed every source line in the horizontal direction and every two gate lines in the vertical direction. Further, a plurality of pixels is provided with a switching element, and charging characteristics of the pixels are made uniform both at the time of selecting the n-th line gate wire 1 at which the polarity of the source potential is inverted and at the time of selecting the (n+1)th line gate wire 2 at which no inversion is made in the source potential, whereby unevenness in luminance occurring in each line in raster display can be reduced.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: April 15, 2003
    Assignee: Advanced Display Inc.
    Inventors: Ryouta Matsubara, Naoki Nakagawa, Satoshi Kohtaka
  • Patent number: 6469937
    Abstract: A current sense amplifier circuit is provided with a reference current generator for generating a reference current according to the characteristics of a memory cell, and a current comparator, and the current comparator compares the memory cell current with the reference current. Thereby, the range of the operating power supply voltage is increased. Further, a current sense amplifier circuit is provided with plural sets of reference current generators and current comparators, and the reference current generators generate reference currents of different amounts corresponding to plural states the memory cell can take, and the current comparators compare the respective reference currents with the memory cell current. Therefore, it is possible to detect the current in the memory cell that is set in multiple states.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: October 22, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Ikuo Fuchigami, Tomonori Kataoka, Youichi Nishida, Tomoo Kimura, Jyunji Michiyama, Satoshi Kohtaka
  • Publication number: 20020057597
    Abstract: A current sense amplifier circuit is provided with a reference current generator for generating a reference current according to the characteristics of a memory cell, and a current comparator, and the current comparator compares the memory cell current with the reference current. Thereby, the range of the operating power supply voltage is increased. Further, a current sense amplifier circuit is provided with plural sets of reference current generators and current comparators, and the reference current generators generate reference currents of different amounts corresponding to plural states the memory cell can take, and the current comparators compare the respective reference currents with the memory cell current. Therefore, it is possible to detect the current in the memory cell that is set in multiple states.
    Type: Application
    Filed: January 9, 2002
    Publication date: May 16, 2002
    Inventors: Ikuo Fuchigami, Tomonori Kataoka, Youichi Nishida, Tomoo Kimura, Jyunji Michiyama, Satoshi Kohtaka
  • Patent number: 6351416
    Abstract: A current sense amplifier circuit is provided with a reference current generator for generating a reference current according to the characteristics of a memory cell, and a current comparator, and the current comparator compares the memory cell current with the reference current. Thereby, the range of the operating power supply voltage is increased. Further, a current sense amplifier circuit is provided with plural sets of reference current generators and current comparators, and the reference current generators generate reference currents of different amounts corresponding to plural states the memory cell can take, and the current comparators compare the respective reference currents with the memory cell current. Therefore, it is possible to detect the current in the memory cell that is set in multiple states.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: February 26, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Ikuo Fuchigami, Tomonori Kataoka, Youichi Nishida, Tomoo Kimura, Jyunji Michiyama, Satoshi Kohtaka
  • Publication number: 20010030719
    Abstract: The liquid crystal display of the present invention comprising: a gate electrode line formed on an insulating substrate; a source electrode line including a source electrode intersected with said gate electrode line via an insulating film, a thin film transistor located in a vicinity of a portion in which said gate electrode line is intersected with said source electrode line; two drain electrode lines, each including two drain electrodes in said thin film transistor, said drain electrode line being connected with a pixel electrode; wherein said thin film transistor includes said two drain electrode lines located on both sides of said source electrode; said two drain electrodes being formed at a place where each end portion of said two drain electrode lines opposed to said source electrode is superposed with said gate electrode line.
    Type: Application
    Filed: April 12, 2001
    Publication date: October 18, 2001
    Applicant: ADVANCED DISPLAY INC.
    Inventors: Takehisa Yamaguchi, Takafumi Hashiguchi, Naoki Nakagawa, Satoshi Kohtaka
  • Publication number: 20010024381
    Abstract: A current sense amplifier circuit is provided with a reference current generator for generating a reference current according to the characteristics of a memory cell, and a current comparator, and the current comparator compares the memory cell current with the reference current. Thereby, the range of the operating power supply voltage is increased. Further, a current sense amplifier circuit is provided with plural sets of reference current generators and current comparators, and the reference current generators generate reference currents of different amounts corresponding to plural states the memory cell can take, and the current comparators compare the respective reference currents with the memory cell current. Therefore, it is possible to detect the current in the memory cell that is set in multiple states.
    Type: Application
    Filed: March 2, 2001
    Publication date: September 27, 2001
    Inventors: Ikuo Fuchigami, Tomonori Kataoka, Youichi Nishida, Tomoo Kimura, Jyunji Michiyama, Satoshi Kohtaka