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Yuji Kurematsu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Positive clutch
    • Patent number 12,104,663
    • Issue date Oct 1, 2024
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Positive clutch
    • Patent number 12,055,189
    • Issue date Aug 6, 2024
    • SUBAKIMOTO CHAIN CO.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam clutch unit
    • Patent number 11,982,324
    • Issue date May 14, 2024
    • Tsubakimoto Chain Co.
    • Akira Morita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam clutch
    • Patent number 11,913,503
    • Issue date Feb 27, 2024
    • Tsubakimoto Chain Co.
    • Eiichi Nakagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam clutch
    • Patent number 11,846,329
    • Issue date Dec 19, 2023
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam clutch unit
    • Patent number 11,767,891
    • Issue date Sep 26, 2023
    • Tsubakimoto Chain Co.
    • Akihiro Fukuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam clutch
    • Patent number 11,761,496
    • Issue date Sep 19, 2023
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chain drive mechanism
    • Patent number 11,585,414
    • Issue date Feb 21, 2023
    • Tsubakimoto Chain Co.
    • Takahiro Kadono
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprocket and drive mechanism
    • Patent number 11,499,620
    • Issue date Nov 15, 2022
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chain guide
    • Patent number 11,493,114
    • Issue date Nov 8, 2022
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprocket and drive mechanism
    • Patent number 11,493,120
    • Issue date Nov 8, 2022
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 11,448,292
    • Issue date Sep 20, 2022
    • Tsubakimoto Chain Co.
    • Yuichiro Ishikawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprocket
    • Patent number 11,402,009
    • Issue date Aug 2, 2022
    • Tsubakimoto Chain Co.
    • Kaori Mori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 11,320,027
    • Issue date May 3, 2022
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner lever
    • Patent number 11,248,682
    • Issue date Feb 15, 2022
    • Tsubakimoto Chain Co.
    • Hiroshi Hashimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chain guide
    • Patent number 11,231,092
    • Issue date Jan 25, 2022
    • Tsubakimoto Chain Co.
    • Yoshitaka Iwasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotating member and forming method thereof
    • Patent number 11,198,173
    • Issue date Dec 14, 2021
    • Tsubakimoto Chain Co.
    • Yudai Takagi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprocket and drive mechanism
    • Patent number 11,181,179
    • Issue date Nov 23, 2021
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 11,143,100
    • Issue date Oct 12, 2021
    • Tsubakimoto Chain Co.
    • Yoshitaka Iwasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 11,125,304
    • Issue date Sep 21, 2021
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner and relief valve unit
    • Patent number 11,028,908
    • Issue date Jun 8, 2021
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprocket and transmission mechanism
    • Patent number 11,009,114
    • Issue date May 18, 2021
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 10,982,737
    • Issue date Apr 20, 2021
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chain tensioner
    • Patent number 10,900,545
    • Issue date Jan 26, 2021
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 10,871,208
    • Issue date Dec 22, 2020
    • Tsubakimoto Chain Co.
    • Osamu Yoshida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 10,837,527
    • Issue date Nov 17, 2020
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 10,767,740
    • Issue date Sep 8, 2020
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 10,683,913
    • Issue date Jun 16, 2020
    • Tsubakimoto Chain Co.
    • Munehiro Maeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner
    • Patent number 10,670,118
    • Issue date Jun 2, 2020
    • Tsubakimoto Chain Co.
    • Yohei Nakata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chain guide
    • Patent number 10,364,869
    • Issue date Jul 30, 2019
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    POSITIVE CLUTCH
    • Publication number 20240344568
    • Publication date Oct 17, 2024
    • Tsubakimoto Chain Co.
    • Masahiko Yamauchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    POSITIVE CLUTCH
    • Publication number 20240151277
    • Publication date May 9, 2024
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAM CLUTCH UNIT
    • Publication number 20240102520
    • Publication date Mar 28, 2024
    • Tsubakimoto Chain Co.
    • Akira Morita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    POSITIVE CLUTCH
    • Publication number 20240026940
    • Publication date Jan 25, 2024
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAM CLUTCH
    • Publication number 20230366438
    • Publication date Nov 16, 2023
    • TSUBAKIMOTO CHAIN CO.
    • Eiichi Nakagawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAM CLUTCH
    • Publication number 20230296144
    • Publication date Sep 21, 2023
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAM CLUTCH
    • Publication number 20230250855
    • Publication date Aug 10, 2023
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CAM CLUTCH UNIT
    • Publication number 20230228302
    • Publication date Jul 20, 2023
    • TSUBAKIMOTO CHAIN CO.
    • Akihiro Fukuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20210010570
    • Publication date Jan 14, 2021
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    TENSIONER
    • Publication number 20200393023
    • Publication date Dec 17, 2020
    • Tsubakimoto Chain Co.
    • Yuichiro Ishikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    TENSIONER LEVER
    • Publication number 20200362944
    • Publication date Nov 19, 2020
    • Tsubakimoto Chain Co.
    • Hiroshi Hashimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPROCKET AND DRIVE MECHANISM
    • Publication number 20200309242
    • Publication date Oct 1, 2020
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN GUIDE
    • Publication number 20200256434
    • Publication date Aug 13, 2020
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN DRIVE MECHANISM
    • Publication number 20200166105
    • Publication date May 28, 2020
    • Tsubakimoto Chain Co.
    • Takahiro Kadono
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPROCKET AND DRIVE MECHANISM
    • Publication number 20200158223
    • Publication date May 21, 2020
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN GUIDE
    • Publication number 20200116240
    • Publication date Apr 16, 2020
    • Tsubakimoto Chain Co.
    • Yoshitaka Iwasaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTATING MEMBER AND FORMING METHOD THEREOF
    • Publication number 20200101517
    • Publication date Apr 2, 2020
    • Tsubakimoto Chain Co.
    • Yudai Takagi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SPROCKET
    • Publication number 20200063849
    • Publication date Feb 27, 2020
    • Tsubakimoto Chain Co.
    • Kaori Mori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20200011401
    • Publication date Jan 9, 2020
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20190323580
    • Publication date Oct 24, 2019
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPROCKET AND DRIVE MECHANISM
    • Publication number 20190301585
    • Publication date Oct 3, 2019
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN TENSIONER
    • Publication number 20190257391
    • Publication date Aug 22, 2019
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20190195123
    • Publication date Jun 27, 2019
    • Tsubakimoto Chain Co.
    • Yoshitaka Iwasaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPROCKET AND TRANSMISSION MECHANISM
    • Publication number 20190136956
    • Publication date May 9, 2019
    • Tsubakimoto Chain Co.
    • Yuji Kurematsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER AND RELIEF VALVE UNIT
    • Publication number 20190120343
    • Publication date Apr 25, 2019
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TENSIONER
    • Publication number 20190107178
    • Publication date Apr 11, 2019
    • Tsubakimoto Chain Co.
    • Osamu Yoshida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20190063562
    • Publication date Feb 28, 2019
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20180274638
    • Publication date Sep 27, 2018
    • Tsubakimoto Chain Co.
    • Masanori Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20180128355
    • Publication date May 10, 2018
    • Tsubakimoto Chain Co.
    • Yohei Nakata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TENSIONER
    • Publication number 20180087628
    • Publication date Mar 29, 2018
    • Tsubakimoto Chain Co.
    • Munehiro Maeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...