Patents by Inventor Koji Akiyama

Koji Akiyama 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: 11969291
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes a processing circuitry. The processing circuitry is configured to display, as a live image, an image that data output from an ultrasonic probe represents; recognize an image type of the live image; extract, out of past data collected before the live image, data at least a part of which is in common to the image type of the live image; and display an image that the extracted data represents on the same screen as that of the live image.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: April 30, 2024
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Mitsuo Akiyama, Nobuhide Ooi, Koji Ando, Kodai Hirayama
  • Patent number: 11970084
    Abstract: A vehicle drive device and a control method therefor are provided. The vehicle drive device includes: a power source including a first rotating electrical machine; a second rotating electrical machine; a differential unit including three rotating elements to which a first output shaft, a second output shaft, and the second rotating electrical machine are connected; and an electronic control device. The electronic control device regeneratively controls the first rotating electrical machine and the second rotating electrical machine in such a manner that negative torque is applied to the first output shaft and the second output shaft, when performing regenerative control by the second rotating electrical machine in a drive mode in which torque from the power source is distributed to the first output shaft and the second output shaft by controlling torque of the second rotating electrical machine during deceleration of a vehicle.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: April 30, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi Tabata, Koichi Okuda, Koji Takaira, Yuki Makino, Akinori Homan, Yosuke Akiyama, Akira Ijichi, Kunihiko Usui
  • Publication number: 20240128754
    Abstract: A startup method and startup program for microgrid that enable to stably start up the microgrid without producing frequency fluctuation is provided. An embodiment of the present disclosure is a startup method for microgrid configured by a plurality of inverter power supplies independently sharing a load and divided into a master that starts up first and a slave that starts up secondly and later, the startup method comprising: a master initial startup step of initially starting up the master in a CVCF mode; a slave initial startup step of initially starting up the slave in a grid interconnection mode; and a control mode changing step of the master and the slave changing control modes thereof when output fluctuation of the master and the slave becomes a predetermined threshold or less or when the master and the slave or other inverter power supplies become a predetermined operation state while output voltage of said master and said slave becomes a predetermined threshold or less.
    Type: Application
    Filed: February 19, 2021
    Publication date: April 18, 2024
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Yoko SAKAUCHI, Yukina AKIYAMA, Yuki KUDO, Shunsuke KAWACHI, Koji TOBA
  • Publication number: 20240087916
    Abstract: A vacuum processing apparatus includes a decompressable process container; a supply port configured to supply, to the process container, an ionic liquid that absorbs an oxidizing gas; and a discharge port configured to discharge the ionic liquid supplied to the process container. A recess is provided at a joint portion between members constituting the process container. The supply port is configured to supply the ionic liquid to the recess, and the discharge port is configured to discharge the ionic liquid supplied to the recess.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 14, 2024
    Inventors: Hirokazu UEDA, Yoji IIZUKA, Mitsuaki IWASHITA, Antonio ROTONDARO, Dipak ARYAL, Takeo NAKANO, Ryuichi ASAKO, Kenji SEKIGUCHI, Koji AKIYAMA, Naoki UMESHITA, Takashi HAYAKAWA
  • Publication number: 20230361163
    Abstract: This film formation method comprises: a first film formation step; a second film formation step; and a third film formation step. In the first film formation step, a dielectric film is formed on a first conductive film. In the second film formation step, a metal oxide film is formed on the dielectric film. In addition, in the second film formation step, a metal oxide film is formed using heated oxygen gas and a vapor of an organic metal compound. In the third film formation step, a second conductive film is formed on the metal oxide film.
    Type: Application
    Filed: September 10, 2021
    Publication date: November 9, 2023
    Inventors: Koji AKIYAMA, Hajime NAKABAYASHI, Akinobu KAKIMOTO, Nobutake KABUKI, Yumiko KAWANO, Sara OTSUKI
  • Publication number: 20230326977
    Abstract: A manufacturing method for a semiconductor device includes forming a dielectric film on a semiconductor substrate or on a lower electrode that is formed on a semiconductor substrate, attaching a metal to a predetermined area on a surface of the dielectric film selectively, forming a metal oxide film with an insulation property in the predetermined area on the surface of the dielectric film by applying heat treatment to the metal, and forming an upper electrode on the dielectric film in a state where the metal oxide film is formed in the predetermined area on the surface of the dielectric film.
    Type: Application
    Filed: September 1, 2021
    Publication date: October 12, 2023
    Applicant: Tokyo Electron Limited
    Inventors: Koji AKIYAMA, Chihiro TAMURA, Philippe GAUBERT
  • Publication number: 20230223251
    Abstract: In a method of manufacturing a semiconductor device, the method includes: applying a liquid material containing an ionic liquid on a substrate to form a protective film; transferring at an atmosphere the substrate on which the protective film is formed; and removing the protective film from the substrate that has been transferred at the atmosphere.
    Type: Application
    Filed: April 20, 2021
    Publication date: July 13, 2023
    Inventors: Hirokazu UEDA, Mitsuaki IWASHITA, Naoki UMESHITA, Yoji IIZUKA, Takashi HAYAKAWA, Kenji SEKIGUCHI, Koji AKIYAMA
  • Publication number: 20230135523
    Abstract: An electrocaloric effect element includes a container having a first wall and a second wall, the second wall facing the first wall, ionic liquid accommodated in the container, a first electrode provided at an outer surface of the first wall, and a movable electrode provided in the ionic liquid such that the movable electrode is movable in the ionic liquid.
    Type: Application
    Filed: August 12, 2021
    Publication date: May 4, 2023
    Inventors: Koji AKIYAMA, Hiroyuki NAGAI, Mitsuaki IWASHITA, Hirokazu UEDA
  • Publication number: 20230111710
    Abstract: A purification processing apparatus for supplying purified isopropyl alcohol to a substrate processing apparatus. The purification processing apparatus includes: a processing chamber in which unpurified isopropyl alcohol and ionic liquid are mixed, and the isopropyl alcohol and the ionic liquid are separated to purify the isopropyl alcohol; an unpurified solvent supply port configured to supply the unpurified isopropyl alcohol to the processing chamber; an ionic liquid supply port configured to supply the ionic liquid to the processing chamber; and a purified solvent outlet configured to supply the purified isopropyl alcohol from the processing chamber to the substrate processing apparatus.
    Type: Application
    Filed: October 5, 2022
    Publication date: April 13, 2023
    Inventors: Takeya INOUE, Kenji SEKIGUCHI, Mitsuaki IWASHITA, Hirokazu UEDA, Koji AKIYAMA, Ryuichi ASAKO
  • Publication number: 20230086545
    Abstract: A method of forming conductive member includes: forming, on substrate, first portion containing first element constituting the conductive member to be obtained and second element causing eutectic reaction with the first element, and second portion containing third element constituting intermetallic compound with the second element; crystallizing primary crystals of the first element by adjusting temperature of the substrate after bringing the first portion into liquid phase state; growing crystal grains of the first element by diffusing the second element from the first portion into the second portion to increase ratio of the first element in crystal state to the first and second elements in the liquid phase state in the first portion while maintaining the temperature of the substrate at the same temperature; and turning the first portion, after completing diffusion of the second element into the second portion, into the conductive member having crystal grains of the first element.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 23, 2023
    Inventors: Koji AKIYAMA, Chihiro TAMURA, Hisashi WARASHINA
  • Publication number: 20220403509
    Abstract: According to one aspect of the present disclosure, a vacuum processing apparatus includes: a decompressable process container; a supply port that is formed on a side wall of the process container and that is configured to supply, to the process container, an ionic liquid that absorbs an oxidizing gas; and a discharge port configured to discharge the ionic liquid supplied to the process container.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 22, 2022
    Inventors: Hirokazu UEDA, Yoji IIZUKA, Mitsuaki IWASHITA, Antonio ROTONDARO, Dipak ARYAL, Takeo NAKANO, Ryuichi ASAKO, Kenji SEKIGUCHI, Koji AKIYAMA, Naoki UMESHITA, Takashi HAYAKAWA
  • Patent number: 11222169
    Abstract: A system for inputting data to a web page that is selectively accessed and displayed through a web browser executing on a computing device includes an electronic scratch pad on the computing device that is configured to identify data entry fields on an accessed web page and to retrieve a label corresponding to any identified data entry field of the web page. The electronic scratch pad records the label and any user input that is input using a user input device to the corresponding data entry field.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: January 11, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Koji Akiyama, Yoshiaki Sawano, Yashuhiro Shibutani, Yasuaki Takahashi
  • Patent number: 11211288
    Abstract: There is provided a semiconductor device including: a first wiring; a second wiring; a dielectric layer configured to insulate the first wiring and the second wiring from each other; and an impedance adjustment layer formed between the first wiring and the second wiring, and configured to adjust an impedance between the first wiring and the second wiring.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: December 28, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hajime Nakabayashi, Koji Akiyama
  • Patent number: 10490443
    Abstract: A method of selectively forming a thin film on a substrate to be processed in which a conductive film and an insulating film are exposed to a surface of the substrate includes: selectively forming a first Ru film only on a first surface, which is an exposed surface of the conductive film and formed of one of Ru, RuO2, Pt, Pd, CuO, and CuO2, using an Ru(EtCp)2 gas and an O2 gas; and selectively forming a first SiO2-containing insulating film only on a second surface, which is an exposed surface of the insulating film has OH groups, by performing one or more times a process of supplying a TMA gas to the substrate to adsorb TMA only to the second surface and a process of forming an SiO2 film only on a surface of the adsorbed TMA using a silanol group-containing silicon raw material and an oxidizing agent.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 26, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Yumiko Kawano, Shuji Azumo, Hiroki Murakami, Michitaka Aita, Tadahiro Ishizaka, Koji Akiyama, Yusaku Kashiwagi, Hajime Nakabayashi
  • Publication number: 20190123165
    Abstract: There is provided a semiconductor device. The semiconductor device includes a first electrode made of a metal, a first semiconductor, a first insulating film configured to be provided between the first electrode and the first semiconductor and to be made of an insulating transition metal oxide and an intermediate film configured to be provided between the first electrode and the first insulating film. A lower end of a conduction band of the intermediate film is lower than a Fermi level of the metal constituting the first electrode.
    Type: Application
    Filed: October 24, 2018
    Publication date: April 25, 2019
    Inventors: Koji AKIYAMA, Hajime NAKABAYASHI, Kazuki HASHIMOTO, Sara OTSUKI
  • Publication number: 20190096750
    Abstract: A method of selectively forming a thin film on a substrate to be processed in which a conductive film and an insulating film are exposed to a surface of the substrate includes: selectively forming a first Ru film only on a first surface, which is an exposed surface of the conductive film and formed of one of Ru, RuO2, Pt, Pd, CuO, and CuO2, using an Ru(EtCp)2 gas and an O2 gas; and selectively forming a first SiO2-containing insulating film only on a second surface, which is an exposed surface of the insulating film has OH groups, by performing one or more times a process of supplying a TMA gas to the substrate to adsorb TMA only to the second surface and a process of forming an SiO2 film only on a surface of the adsorbed TMA using a silanol group-containing silicon raw material and an oxidizing agent.
    Type: Application
    Filed: September 27, 2018
    Publication date: March 28, 2019
    Inventors: Yumiko KAWANO, Shuji AZUMO, Hiroki MURAKAMI, Michitaka AITA, Tadahiro ISHIZAKA, Koji AKIYAMA, Yusaku KASHIWAGI, Hajime NAKABAYASHI
  • Publication number: 20190074216
    Abstract: There is provided a semiconductor device including: a first wiring; a second wiring; a dielectric layer configured to insulate the first wiring and the second wiring from each other; and an impedance adjustment layer formed between the first wiring and the second wiring, and configured to adjust an impedance between the first wiring and the second wiring.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 7, 2019
    Inventors: Hajime NAKABAYASHI, Koji AKIYAMA
  • Publication number: 20190034398
    Abstract: A system for inputting data to a web page that is selectively accessed and displayed through a web browser executing on a computing device includes an electronic scratch pad on the computing device that is configured to identify data entry fields on an accessed web page and to retrieve a label corresponding to any identified data entry field of the web page. The electronic scratch pad records the label and any user input that is input using a user input device to the corresponding data entry field.
    Type: Application
    Filed: August 3, 2018
    Publication date: January 31, 2019
    Inventors: Koji Akiyama, Yoshiaki Sawano, Yashuhiro Shibutani, Yasuaki Takahashi
  • Patent number: 10153169
    Abstract: In a method of controlling a threshold of a transistor, a gate insulating film is formed in a channel region of a metal-oxide-semiconductor (MOS) transistor on a main surface of a semiconductor substrate. A first electrode layer is formed on the gate insulating film and a second electrode layer containing a work function adjusting metal is formed on the first electrode layer. Thereafter, an oxidation treatment or nitridation treatment using a microwave plasma processing apparatus is performed to inactivate the work function adjusting metal, thereby executing a threshold control of the MOS transistor.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: December 11, 2018
    Assignee: Tokyo Electron Limited
    Inventors: Kentaro Shiraga, Koji Akiyama, Junya Miyahara, Yutaka Fujino
  • Patent number: 10095675
    Abstract: A system for inputting data to a web page that is selectively accessed and displayed through a web browser executing on a computing device includes an electronic scratch pad on the computing device that is configured to identify data entry fields on an accessed web page and to retrieve a label corresponding to any identified data entry field of the web page. The electronic scratch pad records the label and any user input that is input using a user input device to the corresponding data entry field.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: October 9, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Koji Akiyama, Yoshiaki Sawano, Yashuhiro Shibutani, Yasuaki Takahashi