Patents by Inventor Takahiro NIHIRA

Takahiro NIHIRA 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).

  • GREASE COMPOSITION FOR ELECTRICAL CONTACTS
    Publication number: 20210324294
    Abstract: The present invention provides a grease composition for electrical contacts, including: a thickener; a base oil; and an organic sulfur compound, wherein the organic sulfur compound is a compound having no heterocycle containing nitrogen in a molecule thereof.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 21, 2021
    Applicants: KYODO YUSHI CO., LTD., DENSO CORPORATION
    Inventors: Takahiro NIHIRA, Chiemi NAKAYAMA, Daisuke TSUTSUI, Shozo IKEJIMA, Ryuji AOKI, Takahiro NOZU
  • Lubricating oil composition
    Patent number: 11066621
    Abstract: The present invention provides a lubricating oil composition not containing ZnDTP but comprising: (a) a base oil; (b) molybdenum dialkyldithiocarbamate; and (c) an organic acid metal salt compound having a metal of Group 8 of a short periodic table, copper, or bismuth as a central metal.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: July 20, 2021
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Takafumi Shimizu, Takahiro Nihira
  • LUBRICATING OIL COMPOSITION
    Publication number: 20200048575
    Abstract: The present invention provides a lubricating oil composition not containing ZnDTP but comprising: (a) a base oil; (b) molybdenum dialkyldithiocarbamate; and (c) an organic acid metal salt compound having a metal of Group 8 of a short periodic table, copper, or bismuth as a central metal.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 13, 2020
    Applicant: Kyodo Yushi Co., Ltd.
    Inventors: Takafumi SHIMIZU, Takahiro NIHIRA
  • PRESS-FIT LUBRICANT COMPOSITION
    Publication number: 20180340128
    Abstract: There is provided a press-fit lubricant composition comprising an unsaturated compound with an iodine value of 100 or more.
    Type: Application
    Filed: April 27, 2018
    Publication date: November 29, 2018
    Applicants: KYODO YUSHI CO., LTD., DENSO CORPORATION
    Inventors: Takahiro NIHIRA, Hiroyuki ISHIKAWA, Masanori KOMABA, Shozo IKEJIMA, Yusuke ASADA, Takahiro NOZU, Takumi SHIOMI, Kyoji INUKAI