Patents by Inventor Takuya Nishihara

Takuya Nishihara 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).

  • Engine exhaust gas recirculation system
    Patent number: 11499509
    Abstract: An exhaust gas recirculation system for a multi-cylinder engine is provided, which includes an exhaust manifold connected to a cylinder head, a catalyst connected to a downstream end of the exhaust manifold in terms of an exhaust gas flow, an EGR gas outlet provided downstream of the catalyst, an in-head EGR passage penetrating the cylinder head, and an EGR pipe extending from the EGR gas outlet and directly connected to an inlet of the in-head EGR passage to lead EGR gas thereto. The catalyst is disposed so that the exhaust gas flows therein from a first side to a second side in an engine cylinder lined-up direction. The EGR gas outlet is located on the second side with respect to the center of the engine in the cylinder lined-up direction, and the inlet of the in-head EGR passage is located in the first side with respect to the engine center.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: November 15, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Tomonori Nishida, Yuji Kojima, Noriaki Fujita, Ken Yoshida, Takashi Kariya, Takayuki Tominaga, Naoya Matsumoto, Yusaku Matsumura, Yuki Koda, Takuya Nishihara, Hiroyuki Ohmura, Arashi Imura, Fusatoshi Tanaka, Takuya Yamada, Shintaro Umesaki
  • ENGINE EXHAUST GAS RECIRCULATION SYSTEM
    Publication number: 20220128019
    Abstract: An exhaust gas recirculation system for a multi-cylinder engine is provided, which includes an exhaust manifold connected to a cylinder head, a catalyst connected to a downstream end of the exhaust manifold in terms of an exhaust gas flow, an EGR gas outlet provided downstream of the catalyst, an in-head EGR passage penetrating the cylinder head, and an EGR pipe extending from the EGR gas outlet and directly connected to an inlet of the in-head EGR passage to lead EGR gas thereto. The catalyst is disposed so that the exhaust gas flows therein from a first side to a second side in an engine cylinder lined-up direction. The EGR gas outlet is located on the second side with respect to the center of the engine in the cylinder lined-up direction, and the inlet of the in-head EGR passage is located in the first side with respect to the engine center.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 28, 2022
    Inventors: Tomonori Nishida, Yuji Kojima, Noriaki Fujita, Ken Yoshida, Takashi Kariya, Takayuki Tominaga, Naoya Matsumoto, Yusaku Matsumura, Yuki Koda, Takuya Nishihara, Hiroyuki Ohmura, Arashi Imura, Fusatoshi Tanaka, Takuya Yamada, Shintaro Umesaki
  • Pet feeder
    Patent number: D820536
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: June 12, 2018
    Assignee: IRIS OHYAMA INC.
    Inventor: Takuya Nishihara
  • Pet toilet
    Patent number: D863698
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: October 15, 2019
    Assignee: IRIS OHYAMA INC.
    Inventors: Masayuki Miyawaki, Takuya Nishihara