Patents by Inventor Shin Koyama

Shin Koyama 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: 20240121961
    Abstract: A method includes forming a first portion of a layer over a substrate by flowing a reactant gas past the substrate in a first direction, and forming a second portion of the layer on the first portion of the layer by flowing the reactant gas past the substrate in a second direction different from the first direction.
    Type: Application
    Filed: July 7, 2023
    Publication date: April 11, 2024
    Inventors: Hiraku HASHIMOTO, Eisuke TAKII, Shin KOYAMA
  • Publication number: 20240102688
    Abstract: An indoor unit included in an air conditioner that includes an outdoor unit includes a power receiving circuit (PR2), a low-frequency transmission and reception circuit as a first reception circuit, a high-frequency transmission and reception circuit as a transmission and reception circuit, and an inner-controller. The low-frequency transmission and reception circuit receives a current signal transmitted from an outdoor unit by using a current loop formed by a power line included in power supply wiring. For a first communication state in which physical connection between with the outdoor unit is recognized and a second communication state in which communication for operation of the air conditioner is performed between with the outdoor unit, the inner-controller selects use of the low-frequency transmission and reception circuit and the high-frequency transmission and reception circuit in the first communication state and the second communication state.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ryosuke YAMAMOTO, Yohei KOYAMA, Youta KATOU, Kazuaki ANDO, Taiki KOGAWA, Shin HIGASHIYAMA, Kosuke HOTTA, Shinichi ISHIZEKI, Toshiaki KUMATA
  • Patent number: 11393757
    Abstract: A semiconductor structure includes semiconductor devices located on a top surface of a substrate semiconductor layer, lower-level metal interconnect structures, source-level material layers, and a three-dimensional memory array including an alternating stack of insulating layers and electrically conductive layers and memory stack structures vertically extending through the alternating stack and comprising a respective vertical semiconductor channel and a respective memory film. A vertically alternating sequence of insulating plates and dielectric material plates is laterally surrounded by the alternating stack. A through-memory-level interconnection via structure vertically extends through each plate within the vertically alternating sequence and contacts a center portion of a top surface of one of the lower-level metal interconnect structures.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: July 19, 2022
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Eisuke Takii, Hiraku Hashimoto, Shin Koyama
  • Publication number: 20220188530
    Abstract: A technology for writing information that varies by object into electronic tags. An electronic tag writing system that includes a writing device that writes writing information into electronic tags; and an information acquisition part that reads writing information and a processing order out of a storage part that stores the processing order in association with writing information for objects that are associated with the electronic tags. The writing information that is associated with the processing order acquired by the information acquisition part is written into the electronic tags by the writing device in accordance with the processing order.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 16, 2022
    Applicants: DAIO PAPER CORPORATION, DAIO ENGINEERING CO., LTD.
    Inventors: Taro IKAWA, Koki BEPPU, Hirohide OUCHI, Eiji NISHYAMA, Ryoto TAKAHASHI, Shin KOYAMA, Shuntaro NOGUCHI
  • Publication number: 20220157724
    Abstract: A semiconductor structure includes semiconductor devices located on a top surface of a substrate semiconductor layer, lower-level metal interconnect structures, source-level material layers, and a three-dimensional memory array including an alternating stack of insulating layers and electrically conductive layers and memory stack structures vertically extending through the alternating stack and comprising a respective vertical semiconductor channel and a respective memory film. A vertically alternating sequence of insulating plates and dielectric material plates is laterally surrounded by the alternating stack. A through-memory-level interconnection via structure vertically extends through each plate within the vertically alternating sequence and contacts a center portion of a top surface of one of the lower-level metal interconnect structures.
    Type: Application
    Filed: November 19, 2020
    Publication date: May 19, 2022
    Inventors: Eisuke TAKII, Hiraku HASHIMOTO, Shin KOYAMA
  • Patent number: 11334727
    Abstract: A technology is for writing different information depending on an object into an electronic tag. The above problem is solved by an electronic tag writing system including a writing device that writes write information into an electronic tag, and an information acquisition section that acquires write information related to an object associated with the electronic tag, in which the write information acquired by the information acquisition section is written into the electronic tag using the writing device.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 17, 2022
    Assignees: Daio Paper Corporation, Daio Engineering Co., Ltd.
    Inventors: Taro Ikawa, Koki Beppu, Hirohide Ouchi, Eiji Nishiyama, Ryoto Takahashi, Shin Koyama, Shuntaro Noguchi
  • Publication number: 20210081621
    Abstract: A technology is for writing different information depending on an object into an electronic tag. The above problem is solved by an electronic tag writing system including a writing device that writes write information into an electronic tag, and an information acquisition section that acquires write information related to an object associated with the electronic tag, in which the write information acquired by the information acquisition section is written into the electronic tag using the writing device.
    Type: Application
    Filed: April 19, 2019
    Publication date: March 18, 2021
    Applicants: Daio Paper Corporation, Daio Engineering Co., Ltd.
    Inventors: Taro Ikawa, Koki Beppu, Hirohide Ouchi, Eiji Nishiyama, Ryoto Takahashi, Shin Koyama, Shuntaro Noguchi
  • Patent number: 10658469
    Abstract: In a semiconductor device (MISFET) having a gate electrode formed over a nitride semiconductor layer with a gate insulating film interposed therebetween, the gate insulating film includes a first gate insulating film (oxide film of first metal) formed on the nitride semiconductor layer and a second gate insulating film (oxide film of second metal). The second metal (for example, Hf) has electronegativity lower than that of the first metal (for example, Al). Since the electronegativity of the second metal is lower than that of the first metal, negative charge is introduced into the oxide film of the first metal due to interfacial polarization, so that the flat-band voltage can be shifted in a positive direction. Accordingly, the threshold voltage which has become negative due to the heat treatment of the oxide film of the first metal can be shifted in the positive direction.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: May 19, 2020
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Toshihiro Iizuka, Shin Koyama, Yoshitake Kato
  • Publication number: 20170047409
    Abstract: In a semiconductor device (MISFET) having a gate electrode formed over a nitride semiconductor layer with a gate insulating film interposed therebetween, the gate insulating film includes a first gate insulating film (oxide film of first metal) formed on the nitride semiconductor layer and a second gate insulating film (oxide film of second metal). The second metal (for example, Hf) has electronegativity lower than that of the first metal (for example, Al). Since the electronegativity of the second metal is lower than that of the first metal, negative charge is introduced into the oxide film of the first metal due to interfacial polarization, so that the flat-band voltage can be shifted in a positive direction. Accordingly, the threshold voltage which has become negative due to the heat treatment of the oxide film of the first metal can be shifted in the positive direction.
    Type: Application
    Filed: May 1, 2014
    Publication date: February 16, 2017
    Inventors: Toshihiro IIZUKA, Shin KOYAMA, Yoshitake KATO
  • Patent number: 8343865
    Abstract: A method of forming a semiconductor device includes forming a dummy metal gate layer including work function metals directly on a base insulator, diffusing the work function metals into the base insulator by annealing, removing the dummy metal gate layer by a wet etching, forming a metal gate on the base insulator, and forming a high-k insulator on the metal gate.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: January 1, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Koji Watanabe, Shin Koyama
  • Publication number: 20110175167
    Abstract: A method of forming a semiconductor device includes forming a dummy metal gate layer including work function metals directly on a base insulator, diffusing the work function metals into the base insulator by annealing, removing the dummy metal gate layer by a wet etching, forming a metal gate on the base insulator, and forming a high-k insulator on the metal gate.
    Type: Application
    Filed: January 18, 2011
    Publication date: July 21, 2011
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Koji Watanabe, Shin Koyama
  • Publication number: 20080038851
    Abstract: An increased area of an element transistor to be evaluated causes an increased leakage current due to a tunnel effect, leading to a reduced accuracy in predicting a TDDB lifetime. A test element group (TEG) 1 is a pattern for evaluating electric characteristics, comprising a plurality of unit transistors T11, T12, T13, T21, T22, T23, T31, T32, T33, which are arranged so as to form a lattice-shaped pattern. Each of the unit transistors comprises a gate dielectric serving as an object to be evaluated, and source region and drain region, which are a short-circuited.
    Type: Application
    Filed: August 10, 2007
    Publication date: February 14, 2008
    Applicant: NEC ELECTRONICS CORPORATION
    Inventors: Shin Koyama, Mitsuhiro Togo
  • Patent number: 6794258
    Abstract: A metal oxide Semiconductor (MOS) transistor includes a gate insulating film disposed on a surface of a silicon substrate. The gate insulating film has a central portion formed on the silicon substrate and comprising a nitride insulating film, and an end portion located on each side of the central portion, the end portion being thicker than the central portion and formed of an oxide insulating film. The MOS transistor also includes a p-type gate electrode formed on the gate insulating film, sidewalls formed on both sides of the gate insulating film and the gate electrode, a pair of p-type source/drain areas formed in surface portions of the silicon substrate, and a channel area located between the pair of source/drain areas.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: September 21, 2004
    Assignee: NEC Electronics Corporation
    Inventors: Mariko Makabe, Shin Koyama, Koichi Ando
  • Publication number: 20040026752
    Abstract: A MOS transistor of the present invention comprises a gate insulating film disposed on the surface of a silicon substrate, a p-type gate electrode formed on the gate insulating film, and sidewalls formed on both sides of the gate insulating film and the gate electrode. A pair of p-type source/drain areas is provided in surface portions of the silicon substrate, and a channel area is located between the source/drain areas. The gate insulating film comprises a central portion and both end portions located on both sides of the central portion. The central portion is formed of a nitride insulating film containing at least nitrogen, and both end portions are each formed of an oxide insulating film containing oxygen and no nitrogen. The source/drain areas comprise lightly doped source/drain areas located on inner sides in contact with the channel area and deeply doped source/drain areas located on the outer sides of the lightly doped source/drain areas to form an LDD structure.
    Type: Application
    Filed: June 26, 2003
    Publication date: February 12, 2004
    Applicant: NEC Electronics Corporation
    Inventors: Mariko Makabe, Shin Koyama, Koichi Ando
  • Patent number: 6614081
    Abstract: A Metal Oxide Semiconductor (MOS) transistor includes a gate insulating film disposed on a surface of a silicon substrate. The gate insulating film has a central portion formed on the silicon substrate and comprising a nitride insulating film, and an end portion located on each side of the central portion, the end portion being thicker than the central portion and formed of an oxide insulating film. The MOS transistor also includes a p-type gate electrode formed on the gate insulating film, sidewalls formed on both sides of the gate insulating film and the gate electrode, a pair of p-type source/drain areas formed in surface portions of the silicon substrate, and a channel area located between the pair of source/drain areas.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: September 2, 2003
    Assignee: NEC Electronics Corporation
    Inventors: Mariko Makabe, Shin Koyama, Koichi Ando
  • Patent number: 6603179
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: August 5, 2003
    Assignee: NEC Electronics Corporation
    Inventors: Koichi Ando, Mariko Makabe, Shin Koyama
  • Publication number: 20020063295
    Abstract: A semiconductor apparatus for increasing operating current is provided. The semiconductor apparatus is composed of a P-channel MISFET (Metal Insulator Semiconductor Field Effect Transistor) including a first gate insulator which contains first positive charges therein, and an N-channel MISFET including a second gate insulator which contains second positive charges therein. A first charge density of the first positive charge is larger than a second charge density of the second positive charge.
    Type: Application
    Filed: November 28, 2001
    Publication date: May 30, 2002
    Applicant: NEC Corporation
    Inventors: Koichi Ando, Mariko Makabe, Shin Koyama
  • Publication number: 20010028086
    Abstract: A MOS transistor of the present invention comprises a gate insulating film disposed on the surface of a silicon substrate, a p-type gate electrode formed on the gate insulating film, and sidewalls formed on both sides of the gate insulating film and the gate electrode. A pair of p-type source/drain areas is provided in surface portions of the silicon substrate, and a channel area is located between the source/drain areas. The gate insulating film comprises a central portion and both end portions located on both sides of the central portion. The central portion is formed of a nitride insulating film containing at least nitrogen, and both end portions are each formed of an oxide insulating film containing oxygen and no nitrogen. The source/drain areas comprise lightly doped source/drain areas located on inner sides in contact with the channel area and deeply doped source/drain areas located on the outer sides of the lightly doped source/drain areas to form an LDD structure.
    Type: Application
    Filed: April 4, 2001
    Publication date: October 11, 2001
    Inventors: Mariko Makabe, Shin Koyama, Koichi Ando
  • Publication number: 20010016388
    Abstract: The semiconductor device fabrication method of the present invention comprises an impurity introduction step of introducing an impurity capable of accelerating thermal oxidation selectively into a first region of the surface of a silicon substrate and an oxidation step of successively carrying out oxidation and oxynitridation for said first region and a second region where no impurity is introduced and forming insulating films with respectively different film thicknesses on the surface of said first region and the surface of said second region.
    Type: Application
    Filed: February 16, 2001
    Publication date: August 23, 2001
    Inventors: Shin Koyama, Koichi Ando, Shunichiro Kuroki