Patents by Inventor Takehiro Endo

Takehiro Endo 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: 11152247
    Abstract: A semiconductor device is provided in which a zener diode having a desired breakdown voltage and a capacitor in which voltage dependence of capacitance is reduced are mounted together, and various circuits are realized. The semiconductor device includes: a semiconductor layer; a first conductivity type well that is arranged in a first region of the semiconductor layer; a first conductivity type first impurity diffusion region that is arranged in the well; a first conductivity type second impurity diffusion region that is arranged in a second region of the semiconductor layer; an insulating film that is arranged on the second impurity diffusion region; an electrode that is arranged on the insulating film; and a second conductivity type third impurity diffusion region that is arranged at least on the first impurity diffusion region.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: October 19, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazunobu Kuwazawa, Shigeyuki Sakuma, Hiroaki Nitta, Mitsuo Sekisawa, Takehiro Endo
  • Publication number: 20200321239
    Abstract: A semiconductor device is provided in which a zener diode having a desired breakdown voltage and a capacitor in which voltage dependence of capacitance is reduced are mounted together, and various circuits are realized. The semiconductor device includes: a semiconductor layer; a first conductivity type well that is arranged in a first region of the semiconductor layer; a first conductivity type first impurity diffusion region that is arranged in the well; a first conductivity type second impurity diffusion region that is arranged in a second region of the semiconductor layer; an insulating film that is arranged on the second impurity diffusion region; an electrode that is arranged on the insulating film; and a second conductivity type third impurity diffusion region that is arranged at least on the first impurity diffusion region.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazunobu KUWAZAWA, Shigeyuki SAKUMA, Hiroaki NITTA, Mitsuo SEKISAWA, Takehiro ENDO
  • Patent number: 10714375
    Abstract: A semiconductor device is provided in which a zener diode having a desired breakdown voltage and a capacitor in which voltage dependence of capacitance is reduced are mounted together, and various circuits are realized. The semiconductor device includes: a semiconductor layer; a first conductivity type well that is arranged in a first region of the semiconductor layer; a first conductivity type first impurity diffusion region that is arranged in the well; a first conductivity type second impurity diffusion region that is arranged in a second region of the semiconductor layer; an insulating film that is arranged on the second impurity diffusion region; an electrode that is arranged on the insulating film; and a second conductivity type third impurity diffusion region that is arranged at least on the first impurity diffusion region.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: July 14, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazunobu Kuwazawa, Shigeyuki Sakuma, Hiroaki Nitta, Mitsuo Sekisawa, Takehiro Endo
  • Patent number: 10541299
    Abstract: A semiconductor device includes a first conductivity type semiconductor substrate, a second conductivity type first and second buried diffusion layers that are arranged in the semiconductor substrate, a semiconductor layer arranged on the semiconductor substrate, a second conductivity type first impurity diffusion region that is arranged in the semiconductor layer, a second conductivity type second impurity diffusion region that is arranged, in the semiconductor layer, on the second buried diffusion layer, a second conductivity type first well that is arranged in a first region of the semiconductor layer, a first conductivity type second well that is arranged, in the semiconductor layer, in a second region, a first conductivity type third and fourth impurity diffusion regions that are arranged in the first well, and a first conductivity type fifth impurity diffusion region that is arranged in the second well.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: January 21, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazunobu Kuwazawa, Shigeyuki Sakuma, Hiroaki Nitta, Mitsuo Sekisawa, Takehiro Endo
  • Patent number: 9818789
    Abstract: A solid-state imaging device includes a P-well, a gate insulating film, a gate electrode, a P+-type pinning layer that is located in the P-well so as to be outside the gate electrode and start from a first end portion of the gate electrode, a P?-type impurity region that is located in the P-well so as to extend under the gate electrode from a first end portion side and be in contact with the pinning layer, an N?-type impurity region that is in contact with the P?-type impurity region and the gate insulating film, and an N??-type impurity region that surrounds at least a portion of the N?-type impurity region in plan view.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: November 14, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazunobu Kuwazawa, Noriyuki Nakamura, Mitsuo Sekisawa, Takehiro Endo
  • Patent number: 9818790
    Abstract: A solid-state imaging device includes a P-well, a gate insulating film, a gate electrode, a P+-type pinning layer that is located in the P-well so as to be outside the gate electrode and start from a first end portion of the gate electrode, a P?-type impurity region that is located in the P-well so as to extend under the gate electrode from a first end portion side and be in contact with the pinning layer, an N?-type impurity region that is located in the P-well so as to extend under the pinning layer and the P?-type impurity region and be in contact with the P?-type impurity region and the gate insulating film, and an N+-type impurity region that is located in the P-well and includes a portion that is under a second end portion of the gate electrode.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: November 14, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazunobu Kuwazawa, Noriyuki Nakamura, Mitsuo Sekisawa, Takehiro Endo
  • Patent number: 9786616
    Abstract: A semiconductor apparatus includes elements formed on a substrate, a first insulation layer, a first pad and a second pad arranged on the first insulation layer and located above the elements, and a second insulation layer that is arranged on the side surfaces and upper surfaces of the first pad and the second pad. The second insulation layer includes openings at upper surfaces of the first pad and the second pad. The thickness of the first pad and the second pad is 2 ?m or more, the thickness of the second insulation layer is less than or equal to ? of the thickness of the first pad and the second pad, and the distance between the first pad and the second pad is greater than or equal to four times the thickness of the first pad and the second pad.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: October 10, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazunobu Kuwazawa, Hiroaki Nitta, Takehiro Endo, Mitsuo Sekisawa
  • Patent number: 9728566
    Abstract: A solid state imaging device according to the invention includes: a semiconductor layer of a first conductivity type; a gate insulation film that is located on the semiconductor layer; a gate electrode that is located on the gate insulation film; a first impurity region of a second conductivity type that is located at least in a region outside the gate electrode on a first end portion side; a second impurity region of the second conductivity type that is located in a region extending across a second end portion that is opposite to the first end portion of the gate electrode; and a third impurity region of the first conductivity type that is located on top of the second impurity region at a position outside the gate electrode on the second end portion side, and is in contact with the second impurity region.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: August 8, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Mitsuo Sekisawa, Kazunobu Kuwazawa, Noriyuki Nakamura, Takehiro Endo
  • Publication number: 20170170053
    Abstract: A semiconductor device is provided in which a zener diode having a desired breakdown voltage and a capacitor in which voltage dependence of capacitance is reduced are mounted together, and various circuits are realized. The semiconductor device includes: a semiconductor layer; a first conductivity type well that is arranged in a first region of the semiconductor layer; a first conductivity type first impurity diffusion region that is arranged in the well; a first conductivity type second impurity diffusion region that is arranged in a second region of the semiconductor layer; an insulating film that is arranged on the second impurity diffusion region; an electrode that is arranged on the insulating film; and a second conductivity type third impurity diffusion region that is arranged at least on the first impurity diffusion region.
    Type: Application
    Filed: November 30, 2016
    Publication date: June 15, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazunobu KUWAZAWA, Shigeyuki SAKUMA, Hiroaki NITTA, Mitsuo SEKISAWA, Takehiro ENDO
  • Publication number: 20170170262
    Abstract: A semiconductor device includes a first conductivity type semiconductor substrate, a second conductivity type first and second buried diffusion layers that are arranged in the semiconductor substrate, a semiconductor layer arranged on the semiconductor substrate, a second conductivity type first impurity diffusion region that is arranged in the semiconductor layer, a second conductivity type second impurity diffusion region that is arranged, in the semiconductor layer, on the second buried diffusion layer, a second conductivity type first well that is arranged in a first region of the semiconductor layer, a first conductivity type second well that is arranged, in the semiconductor layer, in a second region, a first conductivity type third and fourth impurity diffusion regions that are arranged in the first well, and a first conductivity type fifth impurity diffusion region that is arranged in the second well.
    Type: Application
    Filed: November 30, 2016
    Publication date: June 15, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazunobu KUWAZAWA, Shigeyuki SAKUMA, Hiroaki NITTA, Mitsuo SEKISAWA, Takehiro ENDO
  • Publication number: 20170077156
    Abstract: A solid state imaging element according to the invention includes: a semiconductor layer of a first conductivity type; a gate insulation film on the semiconductor layer; a gate electrode on the gate insulation film; a first impurity region of a second conductivity type in the semiconductor layer and in a region outside the gate electrode on a first end portion side; a second impurity region of the second conductivity type in the semiconductor layer and in a region outside the gate electrode on a second end portion side that is opposite to the first end portion of the gate electrode; and a third impurity region of the first conductivity type over the second impurity region in the semiconductor layer at a position separate from the second end portion of the gate electrode as viewed in plan view, and is in contact with the second impurity region.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 16, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Mitsuo SEKISAWA, Kazunobu KUWAZAWA, Noriyuki NAKAMURA, Takehiro ENDO
  • Publication number: 20170053880
    Abstract: A semiconductor apparatus includes elements formed on a substrate, a first insulation layer, a first pad and a second pad arranged on the first insulation layer and located above the elements, and a second insulation layer that is arranged on the side surfaces and upper surfaces of the first pad and the second pad. The second insulation layer includes openings at upper surfaces of the first pad and the second pad. The thickness of the first pad and the second pad is 2 ?m or more, the thickness of the second insulation layer is less than or equal to ? of the thickness of the first pad and the second pad, and the distance between the first pad and the second pad is greater than or equal to four times the thickness of the first pad and the second pad.
    Type: Application
    Filed: August 8, 2016
    Publication date: February 23, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazunobu KUWAZAWA, Hiroaki NITTA, Takehiro ENDO, Mitsuo SEKISAWA
  • Patent number: 9564706
    Abstract: The present invention provides a connection unit capable of accommodating nuts and showing sealing ability in a state installed on a housing. A connection unit S includes: a terminal block 100 having holes h3 at one side of for accommodating nuts n; a terminal-connecting portions 200 at least partially exposed when viewed from the other side and fixed to the terminal block 100 with the circumferences of the terminal-connecting portions 200 in tight contact with the terminal block 100; and a nut cover 300 for covering the nuts accommodated in the holes h3 for preventing the nuts n from coming off. The connection unit S further includes: guide grooves and guide ribs for restricting movement of the nut cover 300 relative to the terminal block 100; and locking hooks 116 and locking holes h5 for restricting movement of the nut cover 300 relative to the terminal block 100.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: February 7, 2017
    Assignees: HONDA MOTOR CO., LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hiroyuki Ozawa, Akinari Hayashi, Takehiro Endo, Akihiko Takemura
  • Publication number: 20170025452
    Abstract: A solid state imaging device according to the invention includes: a semiconductor layer of a first conductivity type; a gate insulation film that is located on the semiconductor layer; a gate electrode that is located on the gate insulation film; a first impurity region of a second conductivity type that is located at least in a region outside the gate electrode on a first end portion side; a second impurity region of the second conductivity type that is located in a region extending across a second end portion that is opposite to the first end portion of the gate electrode; and a third impurity region of the first conductivity type that is located on top of the second impurity region at a position outside the gate electrode on the second end portion side, and is in contact with the second impurity region.
    Type: Application
    Filed: July 5, 2016
    Publication date: January 26, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Mitsuo SEKISAWA, Kazunobu KUWAZAWA, Noriyuki NAKAMURA, Takehiro ENDO
  • Patent number: 9520436
    Abstract: A solid-state imaging device includes a P-well, a gate insulating film, a gate electrode, a P+-type pinning layer that is located in the P-well so as to be outside the gate electrode and start from a first end portion of the gate electrode, a P?-type impurity region that is located in the P-well so as to extend under the gate electrode from a first end portion side and be in contact with the pinning layer, an N?-type impurity region that is located in the semiconductor layer under the P?-type impurity region and includes a portion that is under the pinning layer, and an N?-type impurity region that is in contact with the gate insulating film and the P?-type impurity region and is located so as to surround the N?-type impurity region in plan view.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: December 13, 2016
    Assignee: Dexerials Corporation
    Inventors: Kazunobu Kuwazawa, Noriyuki Nakamura, Mitsuo Sekisawa, Takehiro Endo
  • Publication number: 20160276390
    Abstract: A solid-state imaging device includes a P-well, a gate insulating film, a gate electrode, a P+-type pinning layer that is located in the P-well so as to be outside the gate electrode and start from a first end portion of the gate electrode, a P?-type impurity region that is located in the P-well so as to extend under the gate electrode from a first end portion side and be in contact with the pinning layer, an N?-type impurity region that is located in the P-well so as to extend under the pinning layer and the P?-type impurity region and be in contact with the P?-type impurity region and the gate insulating film, and an N+-type impurity region that is located in the P-well and includes a portion that is under a second end portion of the gate electrode.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 22, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazunobu KUWAZAWA, Noriyuki NAKAMURA, Mitsuo SEKISAWA, Takehiro ENDO
  • Publication number: 20160276389
    Abstract: A solid-state imaging device includes a P-well, a gate insulating film, a gate electrode, a P+-type pinning layer that is located in the P-well so as to be outside the gate electrode and start from a first end portion of the gate electrode, a P?-type impurity region that is located in the P-well so as to extend under the gate electrode from a first end portion side and be in contact with the pinning layer, an N?-type impurity region that is in contact with the P?-type impurity region and the gate insulating film, and an N??-type impurity region that surrounds at least a portion of the N?-type impurity region in plan view.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 22, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazunobu KUWAZAWA, Noriyuki NAKAMURA, Mitsuo SEKISAWA, Takehiro ENDO
  • Publication number: 20160276388
    Abstract: A solid-state imaging device includes a P-well, a gate insulating film, a gate electrode, a P+-type pinning layer that is located in the P-well so as to be outside the gate electrode and start from a first end portion of the gate electrode, a P?-type impurity region that is located in the P-well so as to extend under the gate electrode from a first end portion side and be in contact with the pinning layer, an N?-type impurity region that is located in the semiconductor layer under the P?-type impurity region and includes a portion that is under the pinning layer, and an N?-type impurity region that is in contact with the gate insulating film and the P?-type impurity region and is located so as to surround the N?-type impurity region in plan view.
    Type: Application
    Filed: March 14, 2016
    Publication date: September 22, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazunobu KUWAZAWA, Noriyuki NAKAMURA, Mitsuo SEKISAWA, Takehiro ENDO
  • Patent number: 8917000
    Abstract: An arrangement structure includes: a motor including: a motor main body including a stator and a rotor, the rotor being disposed to be rotatable relative to the stator; a case member configured to store the motor main body; and a connecting conductor configured to electrically connect an inside conductor disposed inside the case member and an outside conductor disposed outside the case member; and a support device fixed to the case member and a frame member of a vehicle, the support device being configured to support the motor on the frame member, wherein the connecting conductor is arranged directly below a fixing portion where the support device is fixed to the case member.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: December 23, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Manabu Yazaki, Nobuchika Ukai, Masakazu Yoshii, Koichi Ono, Takehiro Endo, Masahiro Sato, Takahide Hashimoto
  • Publication number: 20140364016
    Abstract: The present invention provides a connection unit capable of accommodating nuts and showing sealing ability in a state installed on a housing. A connection unit S includes: a terminal block 100 having holes h3 at one side of for accommodating nuts n; a terminal-connecting portions 200 at least partially exposed when viewed from the other side and fixed to the terminal block 100 with the circumferences of the terminal-connecting portions 200 in tight contact with the terminal block 100; and a nut cover 300 for covering the nuts accommodated in the holes h3 for preventing the nuts n from coming off. The connection unit S further includes: guide grooves and guide ribs for restricting movement of the nut cover 300 relative to the terminal block 100; and locking hooks 116 and locking holes h5 for restricting movement of the nut cover 300 relative to the terminal block 100.
    Type: Application
    Filed: June 6, 2014
    Publication date: December 11, 2014
    Applicants: HONDA MOTOR CO., LTD., SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hiroyuki Ozawa, Akinari Hayashi, Takehiro Endo, Akihiko Takemura