TREA

Hideshi Hitosugi

Follow

Person

  • Saitama, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Combined oil ring
    • Patent number 10,724,636
    • Issue date Jul 28, 2020
    • Nippon Piston Ring Co., Ltd.
    • Masataka Kawasaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Combined oil ring
    • Patent number 10,520,085
    • Issue date Dec 31, 2019
    • Nippon Piston Ring Co., Ltd.
    • Yasuyuki Murata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combined oil ring
    • Patent number 9,528,606
    • Issue date Dec 27, 2016
    • Nippon Piston Ring Co., Ltd.
    • Hideshi Hitosugi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piston ring
    • Patent number 8,240,676
    • Issue date Aug 14, 2012
    • Nippon Piston Ring Co., Ltd.
    • Tomotaka Kariya
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Oil ring
    • Patent number 7,354,045
    • Issue date Apr 8, 2008
    • Toyota Jidosha Kabushiki Kaisha
    • Tomoaki Abe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compression piston ring for use in internal combustion engine
    • Patent number 6,726,218
    • Issue date Apr 27, 2004
    • Nippon Piston Ring Co., Ltd.
    • Hideo Negishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ring groove for oil ring with coil expander of piston
    • Patent number 6,682,078
    • Issue date Jan 27, 2004
    • Nippon Piston Ring Co., Ltd.
    • Hideshi Hitosugi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Ring groove for oil ring with coil expander of piston
    • Patent number 6,547,251
    • Issue date Apr 15, 2003
    • Nippon Piston Ring Co., Ltd.
    • Hideshi Hitosugi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMBINED OIL RING
    • Publication number 20180051806
    • Publication date Feb 22, 2018
    • NIPPON PISTON RING CO., LTD
    • Yasuyuki MURATA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMBINED OIL RING
    • Publication number 20170227126
    • Publication date Aug 10, 2017
    • NIPPON PISTON RING CO., LTD
    • Masataka KAWASAKI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMBINED OIL RING
    • Publication number 20140062030
    • Publication date Mar 6, 2014
    • Nippon Piston Ring Co., Ltd.
    • Hideshi HITOSUGI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OIL RING MECHANISM OF A PISTON
    • Publication number 20120061920
    • Publication date Mar 15, 2012
    • NIPPON PISTON RING CO., LTD.
    • Hiroyuki Nishiura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PISTON RING
    • Publication number 20090058014
    • Publication date Mar 5, 2009
    • Nippon Piston Ring Co., Ltd.
    • Tomotaka Kariya
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Piston For Internal-Combustion Engine And Combination Of Piston And...
    • Publication number 20070261658
    • Publication date Nov 15, 2007
    • Nippon Piston Ring Co., Ltd.
    • Tomoaki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Oil ring
    • Publication number 20060006604
    • Publication date Jan 12, 2006
    • Tomoaki Abe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ring groove for oil ring with coil expander of piston
    • Publication number 20020174768
    • Publication date Nov 28, 2002
    • Nippon Piston Ring
    • Hideshi Hitosugi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Compression piston ring for use in internal combustion engine
    • Publication number 20020074733
    • Publication date Jun 20, 2002
    • NIPPON PISTON RING CO., LTD
    • Hideo Negishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...