Patents by Inventor Tetsuya Ohashi

Tetsuya Ohashi 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: 20210316554
    Abstract: An ink cartridge adapter or ink cartridge includes a casing; and a plurality of pad electrodes mounted on the casing so as to be movable in a direction outwardly away from a side surface of the casing.
    Type: Application
    Filed: September 26, 2019
    Publication date: October 14, 2021
    Inventors: Takashi FUKUSHIMA, Tetsuya OHASHI, Yasuo KOTAKI, Ryoji INOUE, Koichi KUBO, Naozumi NABESHIMA, Hironori MURAKAMI, Takeho MIYASHITA, Kyosuke NAGAOKA, Noriyasu NAGAI
  • Patent number: 10968004
    Abstract: A blow bottle includes an outer layer and an inner layer, wherein the inner layer has blackness higher than that of the outer layer, and wherein the outer layer has an L* value of 20 or more and 90 or less in an International Commission on Illumination (CIE) L*a*b* color system.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: April 6, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kyosuke Nagaoka, Tetsuya Ohashi, Ryoji Inoue, Takashi Fukushima, Hironori Murakami, Takeho Miyashita, Yasuo Kotaki, Hitoshi Takada, Kenichi Kanno
  • Patent number: 10937578
    Abstract: An R—Fe—B base sintered magnet is prepared through the steps of providing an alloy fine powder having a predetermined composition, compression shaping the alloy fine powder in an applied magnetic field into a compact, sintering the compact at a temperature of 900-1,250° C. into a sintered body, cooling the sintered body to 400° C. or below, high-temperature heat treatment including placing a metal, compound or intermetallic compound containing HR which is Dy, Tb and/or Ho, on the surface of the sintered body, heating at a temperature from more than 950° C. to 1,100° C., for causing grain boundary diffusion of HR into the sintered body, and cooling to 400° C. or below, and low-temperature heat treatment including heating at a temperature of 400-600° C. and cooling to 300° C. or below. The sintered magnet produces a high coercivity despite a low content of Dy, Tb and Ho.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: March 2, 2021
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota, Hajime Nakamura
  • Patent number: 10906323
    Abstract: An ink cartridge includes a housing that has an air communication port and stores a liquid inside and a sealing member attached to the housing in such a way as to cover the air communication port. The sealing member includes an adherent region attached to the housing and a non-adherent region not attached to the housing. The non-adherent region extends to an end portion of the sealing member and forms a communication passage which establishes communication between the air communication port and air.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: February 2, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kyosuke Nagaoka, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takeho Miyashita, Hironori Murakami, Takayuki Tanno, Takashi Fukushima
  • Patent number: 10850522
    Abstract: An ink cartridge storing ink inside the ink cartridge including an ink flow path extending from the inside where the ink is stored to outside of the ink cartridge, wherein the ink flow path includes a first opening that opens toward the outside, a second opening that opens to an opposite side of the first opening, a first valve configured to seal the first opening, a second valve configured to seal the second opening, and a biasing member connected to the first and second valves and configured to bias the first and second valves.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: December 1, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takashi Fukushima, Hironori Murakami, Kyosuke Nagaoka, Kenichi Kanno
  • Publication number: 20200370159
    Abstract: Steel materials for continuously variable transmissions sheaves, and methods for manufacturing a continuously variable transmission sheaves, are provided. In the disclosed steel materials for continuously variable transmission sheaves, the steel materials satisfy the following expressions: 13.9?Fn1?15.5, and 1.20?Fn2?4.35 (in which Fn1=7×Cr?6×Si+4×Mn; and Fn2=Al×N×104).
    Type: Application
    Filed: July 18, 2017
    Publication date: November 26, 2020
    Applicants: AISIN AW CO., LTD., NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Masashi HATTORI, Kazumichi TSUKUDA, Hiroyuki NOZAKI, Daisuke KASAI, Takuya WATANABE, Tetsuya OHASHI, Shouji TOUDOU, Akira SHIGA
  • Patent number: 10836175
    Abstract: A liquid container is enabled to contain a liquid therein. An outer wall of the liquid container has a first surface, a second and a third surfaces are adjacent to the first surface, and the second surface and the third surface face each other. The first surface has a space in which a storage element storing the information on the liquid container is contained. The first surface and the second surface have a first recessed portion that crosses a boundary between the first surface and the second surface, and the first surface and the third surface have a second recessed portion that crosses a boundary between the first surface and the third surface. The first recessed portion and the second recessed portion face each other across the space.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: November 17, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • Publication number: 20200303103
    Abstract: An R—Fe—B base sintered magnet is provided comprising a main phase containing an HR rich phase of (R?,HR)2(Fe,(Co))14B wherein R? is an element selected from yttrium and rare earth elements exclusive of Dy, Tb and Ho, and essentially contains Nd, and HR is an element selected from Dy, Tb and Ho, and a grain boundary phase containing a (R?,HR)—Fe(Co)-M1 phase in the form of an amorphous phase and/or nanocrystalline phase, the (R?,HR)—Fe(Co)-M1 phase consisting essentially of 25-35 at % of (R?,HR), 2-8 at % of M1 which is at least one element selected from Si, Al, Mn, Ni, Cu, Zn, Ga, Ge, Pd, Ag, Cd, In, Sn, Sb, Pt, Au, Hg, Pb, and Bi, up to 8 at % of Co, and the balance of Fe. The HR rich phase has a higher HR content than the HR content of the main phase at its center. The magnet produces a high coercivity despite a low content of Dy, Tb and Ho.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota, Hajime Nakamura
  • Publication number: 20200282729
    Abstract: A member mountable to a mounting portion provided with an ink receiving tube and a plurality of electrical connecting portions, the member includes a first portion including an outwardly facing surface and provided with an inserting portion into which the ink receiving tube is capable of being inserted; a second portion opposite from the first portion; and a third portion connecting the first portion and the second portion with each other and provided with a plurality of pad electrodes electrically connectable with the electrical connecting portions. The member is mountable to the mounting portion by being inserted into the mounting portion in an inserting direction with the first portion at a leading side. The pad electrodes are electrically connectable with the electrical connecting portions by being moved in a direction different from the inserting direction.
    Type: Application
    Filed: October 11, 2018
    Publication date: September 10, 2020
    Inventors: Ryoji Inoue, Yasuo Kotaki, Tetsuya Ohashi, Takashi Fukushima, Hironori Murakami, Takeho Miyashita, Kyosuke Nagaoka, Toshiaki Tokisawa
  • Publication number: 20200238718
    Abstract: An ink cartridge storing ink inside the ink cartridge including an ink flow path extending from the inside where the ink is stored to outside of the ink cartridge, wherein the ink flow path includes a first opening that opens toward the outside, a second opening that opens to an opposite side of the first opening, a first valve configured to seal the first opening, a second valve configured to seal the second opening, and a biasing member connected to the first and second valves and configured to bias the first and second valves.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takashi Fukushima, Hironori Murakami, Kyosuke Nagaoka, Kenichi Kanno
  • Patent number: 10720271
    Abstract: An R—Fe—B base sintered magnet is provided comprising a main phase containing an HR rich phase of (R?, HR)2(Fe,(Co))14B wherein R? is an element selected from yttrium and rare earth elements exclusive of Dy, Tb and Ho, and essentially contains Nd, and HR is an element selected from Dy, Tb and Ho, and a grain boundary phase containing a (R?, HR)—Fe(Co)-M1 phase in the form of an amorphous phase and/or nanocrystalline phase, the (R?, HR)—Fe(Co)-M1 phase consisting essentially of 25-35 at % of (R?, HR), 2-8 at % of M1 which is at least one element selected from Si, Al, Mn, Ni, Cu, Zn, Ga, Ge, Pd, Ag, Cd, In, Sn, Sb, Pt, Au, Hg, Pb, and Bi, up to 8 at % of Co, and the balance of Fe. The HR rich phase has a higher HR content than the HR content of the main phase at its center. The magnet produces a high coercivity despite a low content of Dy, Tb and Ho.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: July 21, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota, Hajime Nakamura
  • Patent number: 10675877
    Abstract: Provided is an ink cartridge having an ink storage portion for storing an ink therein and a plurality of flow paths for supplying the ink to the outside of the ink cartridge. In the ink cartridge, the plurality of flow paths each has a bottom flow path having a bottom opening in a vertically lower direction in the ink storage portion during use of the ink cartridge and a top flow path having a top opening in a vertically upper direction in the ink storage portion than the bottom flow path during use of the ink cartridge; the bottom flow path has a resistance different from that of the top flow path; and air is not introduced into the ink storage portion when the ink is supplied from the bottom flow path and the top flow path.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: June 9, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hironori Murakami, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takashi Fukushima, Kyosuke Nagaoka, Takeho Miyashita, Kenichi Kanno
  • Patent number: 10661570
    Abstract: An ink cartridge storing ink inside the ink cartridge including an ink flow path extending from the inside where the ink is stored to outside of the ink cartridge, wherein the ink flow path includes a first opening that opens toward the outside, a second opening that opens to an opposite side of the first opening, a first valve configured to seal the first opening, a second valve configured to seal the second opening, and a biasing member connected to the first and second valves and configured to bias the first and second valves.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: May 26, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takashi Fukushima, Hironori Murakami, Kyosuke Nagaoka, Kenichi Kanno
  • Publication number: 20200111591
    Abstract: Provided is a rare earth sintered magnet in which a multi-layer main phase particle having multiple layers including a layer 1 having R2 concentration, represented by at %, higher than that of a center of the particle, a layer 2 which is formed on the outside of the layer 1 and has R2 concentration lower than that of the layer 1, and a layer 3 which is formed on the outside of the layer 2 and has R2 concentration higher than that of the layer 2 is present at least in a portion in the vicinity of a surface of the main phase particle within at least 500 ?m from a surface of the sintered magnet body.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 9, 2020
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tetsuya Ohashi, Hiroki Iida, Koichi Hirota, Hajime Nakamura, Mikio Yoshida, Kazuya Fukui, Michihiro Oida
  • Publication number: 20200101750
    Abstract: An ink cartridge includes a housing that has an air communication port and stores a liquid inside and a sealing member attached to the housing in such a way as to cover the air communication port. The sealing member includes an adherent region attached to the housing and a non-adherent region not attached to the housing. The non-adherent region extends to an end portion of the sealing member and forms a communication passage which establishes communication between the air communication port and air.
    Type: Application
    Filed: September 17, 2019
    Publication date: April 2, 2020
    Inventors: Kyosuke Nagaoka, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takeho Miyashita, Hironori Murakami, Takayuki Tanno, Takashi Fukushima
  • Publication number: 20200082962
    Abstract: R—Fe—B sintered magnet has a main phase containing R2(Fe,(Co))14B intermetallic compound and a grain boundary phase. The inter-particle grain boundary includes an expanded width part that is surrounded by a narrow width part at which the inter-particle width is 10 nm or less and that has a structure distended in the inter-particle width direction as compared with the grain boundary width of the narrow width part; the inter-particle width at the expanded width part is at least 30 nm; Fe/R ratio in the expanded width part is 0.01-2.5; the main phase includes, in the surface part thereof, an HR-rich phase represented by (R?,HR)2(Fe,(Co))14B (R? represents rare-earth elements excluding Dy, Tb, and Ho, and that essentially include Nd; and HR represents Dy, Tb, and Ho); the contained amount of HR in the HR-rich phase is higher than that in the central part of the main phase.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 12, 2020
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tetsuya Ohashi, Koichi Hirota, Hajime Nakamura
  • Patent number: D896883
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 22, 2020
    Inventors: Tetsuya Ohashi, Ryoji Inoue, Hironori Murakami, Takeho Miyashita, Takashi Fukushima, Yasuo Kotaki, Kyosuke Nagaoka
  • Patent number: D899513
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 20, 2020
    Inventors: Tetsuya Ohashi, Takashi Fukushima, Hironori Murakami, Ryoji Inoue, Takeho Miyashita, Yasuo Kotaki, Kyosuke Nagaoka
  • Patent number: D906415
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: December 29, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Fukushima, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Hironori Murakami, Takeho Miyashita, Kyosuke Nagaoka
  • Patent number: D906416
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: December 29, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Fukushima, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Hironori Murakami, Takeho Miyashita, Kyosuke Nagaoka