Patents by Inventor Koichi Ishida

Koichi Ishida 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: 20220001698
    Abstract: A tyre includes a tread portion including a tread surface which is provided with grooves. At least one of the grooves includes a widening-width portion at least partially. The widening-width portion includes a first groove portion extending inwardly in a tyre radial direction from the tread surface, and a second groove portion located inwardly in the tyre radial direction of the first groove portion and having a groove width greater than that of the first groove portion.
    Type: Application
    Filed: September 21, 2021
    Publication date: January 6, 2022
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Koichi NAKAJIMA, Naoki ISHIDA, Masayuki FUJITA
  • Publication number: 20210395865
    Abstract: A magnetic alloy material that includes iron and cobalt as main components and at least one element selected from the group containing of platinum, gold, and iridium.
    Type: Application
    Filed: November 21, 2019
    Publication date: December 23, 2021
    Applicant: NEC Corporation
    Inventors: Yuma IWASAKI, Masahiko ISHIDA, Akihiro KIRIHARA, Koichi TERASHIMA, Ryohto SAWADA, Hiroko SOMEYA, Yasutomo OMORI
  • Patent number: 11192363
    Abstract: An element substrate of a liquid ejection head includes an ejection opening array in which multiple ejection openings are arranged along a predetermined direction, pressure chambers communicating with the ejection openings, and heat generating elements for ejecting liquid, supplied to the pressure chambers, through the ejection openings. The element substrate also includes a predetermined supply path extending in the predetermined direction and communicating with the pressure chambers, a predetermined collection path communicating with the pressure chambers, multiple liquid supply ports communicating with the supply path at different positions in the predetermined direction, and a liquid collection port communicating with the collection path. Among the multiple liquid supply ports, at least a liquid supply port located at an end portion in the predetermined direction has an opening area larger than the opening area of the liquid collection port.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: December 7, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Ishida, Shingo Okushima
  • Patent number: 11173713
    Abstract: A liquid discharge head includes a flow passage forming member, an element substrate including a liquid discharge element and a surface on which a conductive member made from a metallic material is disposed, and an intermediate layer made from a resin material and configured to join the flow passage forming member and the surface of the element substrate to each other. The intermediate layer is disposed in a state, separated from the conductive member, where the conductive member is exposed from the intermediate layer. The conductive member is covered with the flow passage forming member.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: November 16, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohiro Sato, Koichi Ishida, Masaki Oikawa, Yoshinori Misumi, Maki Kato, Yuzuru Ishida, Tsubasa Funabashi
  • Publication number: 20210024905
    Abstract: The present invention provides a novel hydrolase that can industrially produce optically highly pure (1S,2S)-1-alkoxycarbonyl-2-vinylcyclopropane carboxylic acid with high efficiency at low costs, and a production method using the hydrolase.
    Type: Application
    Filed: March 29, 2019
    Publication date: January 28, 2021
    Applicant: API CORPORATION
    Inventors: Toyokazu YOSHIDA, Koichi ISHIDA, Ryoma MIYAKE, Takanobu IURA, Hiroshi KAWABATA
  • Publication number: 20210016577
    Abstract: A liquid discharge head includes: a substrate, where a recording element is disposed; and a discharge orifice forming member, where a discharge orifice, facing the recording element, and configured to discharge the liquid, is formed. The liquid discharge head has a pressure chamber, a first liquid channel configured to supply liquid to the pressure chamber, and a second liquid channel configured to recover liquid from the pressure chamber. The substrate has a liquid supply channel connected to the first liquid channel to supply liquid to the first liquid channel, and a liquid recovery channel connected to the second liquid channel, to recover liquid from the second liquid channel. Pressure at an inlet portion of the liquid supply channel is higher than pressure at an outlet portion of the liquid recovery channel, and a flow velocity of liquid within the pressure chamber is 3 to 140 mm/s.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Inventors: Yoshiyuki Nakagawa, Shintaro Kasai, Shuzo Iwanaga, Akiko Hammura, Koichi Ishida, Takatsugu Moriya
  • Patent number: 10828906
    Abstract: A liquid discharge head includes: a substrate, where a recording element is disposed; and a discharge orifice forming member, where a discharge orifice, facing the recording element, and configured to discharge the liquid, is formed. The liquid discharge head has a pressure chamber, a first liquid channel configured to supply liquid to the pressure chamber, and a second liquid channel configured to recover liquid from the pressure chamber. The substrate has a liquid supply channel connected to the first liquid channel to supply liquid to the first liquid channel, and a liquid recovery channel connected to the second liquid channel, to recover liquid from the second liquid channel. Pressure at an inlet portion of the liquid supply channel is higher than pressure at an outlet portion of the liquid recovery channel, and a flow velocity of liquid within the pressure chamber is 3 to 140 mm/s.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: November 10, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiyuki Nakagawa, Shintaro Kasai, Shuzo Iwanaga, Akiko Hammura, Koichi Ishida, Takatsugu Moriya
  • Publication number: 20200338889
    Abstract: An element substrate of a liquid ejection head includes an ejection opening array in which multiple ejection openings are arranged along a first direction, pressure chambers communicating with the ejection openings, and heat generating elements for ejecting liquid supplied to the pressure chambers, through the ejection openings. The element substrate also includes a first supply path extending in the first direction and communicating with the pressure chambers, a first collection path communicating with the pressure chambers, multiple liquid supply ports communicating with the first supply path at different positions in the first direction, and a liquid collection port communicating with the first collection path. At least a liquid supply port of the liquid supply ports located at an end portion in the first direction has an opening area larger than the opening area of the liquid collection port.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 29, 2020
    Inventors: Koichi Ishida, Shingo Okushima
  • Publication number: 20200316941
    Abstract: A liquid discharge head includes a flow passage forming member, an element substrate including a liquid discharge element and a surface on which a conductive member made from a metallic material is disposed, and an intermediate layer made from a resin material and configured to join the flow passage forming member and the surface of the element substrate to each other. The intermediate layer is disposed in a state, separated from the conductive member, where the conductive member is exposed from the intermediate layer. The conductive member is covered with the flow passage forming member.
    Type: Application
    Filed: March 24, 2020
    Publication date: October 8, 2020
    Inventors: Tomohiro Sato, Koichi Ishida, Masaki Oikawa, Yoshinori Misumi, Maki Kato, Yuzuru Ishida, Tsubasa Funabashi
  • Publication number: 20200261063
    Abstract: A connector has a bottom wall located at a lower portion in an attached state in which the connector is attached to an ultrasonic diagnostic device body. The bottom wall has a ventilation portion having a plurality of openings and a non-ventilation portion adjacent to the ventilation portion. The bottom wall has an inner step that functions as a weir structure for restriction of movement of liquid from an inner face of the non-ventilation portion to an inner face of the ventilation portion in the attached state. An outer face of the bottom wall is provided with an outer step corresponding to the inner step.
    Type: Application
    Filed: January 8, 2020
    Publication date: August 20, 2020
    Applicant: Hitachi, Ltd.
    Inventor: Koichi ISHIDA
  • Patent number: 10730291
    Abstract: A liquid ejection head including recording element substrates each including ejection opening rows in which ejection openings ejecting liquid are arranged, the plurality of ejection opening rows being juxtaposed in a relative movement direction with respect to the printed medium. In the relative movement direction of the printed medium when the printed medium is viewed from the liquid ejection head, and in the plurality of ejection opening rows provided in the recording element substrate, among the plurality of recording element substrates, positioned on an upstream side in the relative movement direction, arrangement intervals of ejection openings in an end area of an ejection opening row positioned on a most upstream side in the relative movement direction are smaller than arrangement intervals of ejection openings in an end area of an ejection opening row positioned on a most downstream side in the relative movement direction.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: August 4, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masakazu Kobayashi, Koichi Ishida, Shuzo Iwanaga
  • Patent number: 10723127
    Abstract: A liquid ejection head including first and second recording element substrates adjacent in a direction intersecting a relative movement direction include ejection opening rows that include ejection openings arranged in the intersecting direction. A straight line connecting the ejection openings in end portions on a second recording element substrate side in the first recording element substrate and a straight line connecting the ejection openings in end portions on a first recording element substrate side in the second recording element substrate are inclined towards a middle area side of the first recording element substrate, and arrangement intervals of the ejection openings in an end portion area on the second recording element substrate side of a first ejection opening row is larger than arrangement intervals of the ejection openings in an end portion area on the first recording element substrate side of a second ejection opening row.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: July 28, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Ishida, Shuzo Iwanaga, Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Hammura, Takatsugu Moriya, Tomohiro Sato, Tatsuya Yamada, Tomoki Ishiwata, Ayako Iwasaki
  • Patent number: 10689408
    Abstract: It is intended to provide a novel bisphosphonic acid compound or a salt thereof which shows a remarkable inhibitory effect on ectopic calcification, and a pharmaceutical composition comprising the same. The present invention provides a bisphosphonic acid compound represented by the following formula (1) or a pharmaceutically acceptable salt thereof: wherein represents a single bond or a double bond; A represents a saturated cyclic hydrocarbon or a saturated heterocyclic ring comprising a sulfur atom or an oxygen atom; and R1 and R2 each independently represent an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryloxy group, a haloalkoxy group, a haloalkyl group, a halogen atom or a hydrogen atom.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: June 23, 2020
    Assignee: FUJIYAKUHIN CO., LTD.
    Inventors: Seiichi Kobashi, Yoshinobu Aoyagi, Hiroshige Kato, Ryuko Tokuyama, Naoki Ashizawa, Koichi Ishida, Koji Matsumoto
  • Patent number: 10603910
    Abstract: A liquid discharge head includes a recording element configured to generate thermal energy and a discharge orifice disposed at a position facing the recording element. A bubble is generated in liquid by the thermal energy, liquid between the bubble and the discharge orifice is discharged from the discharge orifice by the pressure of the generated bubble, and the bubble communicates with the atmosphere on the outside of the discharge orifice.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: March 31, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshiyuki Nakagawa, Shintaro Kasai, Akiko Hammura, Shinji Kishikawa, Takayuki Sekine, Shuzo Iwanaga, Takatsugu Moriya, Koichi Ishida, Tatsuya Yamada
  • Patent number: 10507654
    Abstract: A print element substrate and a liquid ejection head capable of suppressing degradation of a print quality caused by a white stripe/black stripe etc., is actualized without using a high degree of microfabrication technology. As a result of asymmetric deformation by swelling in a direction of relative movement to a print medium, print elements having different liquid droplet ejection directions are made to coexist and arrayed for that purpose.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: December 17, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Saito, Takatsugu Moriya, Koichi Ishida, Tatsuya Yamada, Shuzo Iwanaga, Tomohiro Sato, Tomoki Ishiwata
  • Patent number: 10486421
    Abstract: A liquid discharging head includes a discharge port that discharges a liquid, a pressure chamber that communicates with the discharge port, and an energy generating element that is disposed in the pressure chamber. In the liquid discharging head, the discharge port is provided with a plurality of projections that project towards a central portion of the discharge port from an inner peripheral edge of the discharge port, and an interval between the projections at a location where the projections are closest to each other is 5 ?m or less.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 26, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takatsugu Moriya, Shuzo Iwanaga, Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Hammura, Tatsuya Yamada, Tomohiro Sato, Ayako Iwasaki, Tomoki Ishiwata, Koichi Ishida
  • Patent number: 10479075
    Abstract: A print head substrate includes: a substrate surface including a plurality of printing elements and a plurality of pads disposed along a first side and electrically connected to the printing elements, the substrate surface having an acute angle portion formed by the first side and a second side; and a test element group (TEG) area including a TEG not electrically connected to the printing elements, at least a part of the TEG area being located between the second side and a pad closest to a vertex of the acute angle portion among the pads.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: November 19, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Ryo Kasai, Masataka Sakurai, Koichi Ishida
  • Publication number: 20190308413
    Abstract: A liquid ejection head including first and second recording element substrates adjacent in a direction intersecting a relative movement direction include ejection opening rows that include ejection openings arranged in the intersecting direction. A straight line connecting the ejection openings in end portions on a second recording element substrate side in the first recording element substrate and a straight line connecting the ejection openings in end portions on a first recording element substrate side in the second recording element substrate are inclined towards a middle area side of the first recording element substrate, and arrangement intervals of the ejection openings in an end portion area on the second recording element substrate side of a first ejection opening row is larger than arrangement intervals of the ejection openings in an end portion area on the first recording element substrate side of a second ejection opening row.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 10, 2019
    Inventors: Koichi Ishida, Shuzo Iwanaga, Shintaro Kasai, Yoshiyuki Nakagawa, Akiko Hammura, Takatsugu Moriya, Tomohiro Sato, Tatsuya Yamada, Tomoki Ishiwata, Ayako Iwasaki
  • Publication number: 20190308412
    Abstract: A liquid ejection head including recording element substrates each including ejection opening rows in which ejection openings ejecting liquid are arranged, the plurality of ejection opening rows being juxtaposed in a relative movement direction with respect to the printed medium. In the relative movement direction of the printed medium when the printed medium is viewed from the liquid ejection head, and in the plurality of ejection opening rows provided in the recording element substrate, among the plurality of recording element substrates, positioned on an upstream side in the relative movement direction, arrangement intervals of ejection openings in an end area of an ejection opening row positioned on a most upstream side in the relative movement direction are smaller than arrangement intervals of ejection openings in an end area of an ejection opening row positioned on a most downstream side in the relative movement direction.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 10, 2019
    Inventors: Masakazu Kobayashi, Koichi Ishida, Shuzo Iwanaga
  • Patent number: 10421287
    Abstract: A plurality of pressure chambers are formed in a circulation channel for liquid in order to array ejection ports in a high density in association with the circulation channel. The circulation channel is connected to a penetration supply path and a penetration recovery path that penetrate a substrate.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: September 24, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takuro Yamazaki, Toru Nakakubo, Kazuhiro Yamada, Yoshiyuki Nakagawa, Yoshihiro Hamada, Koichi Ishida, Shingo Okushima