Masahiro Koyama

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chain
- Patent number 11,988,267
- Issue date May 21, 2024
- Tsubakimoto Chain Co.
- Tatsuya Hidaka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Chain drive system
- Patent number 11,543,004
- Issue date Jan 3, 2023
- Tsubakimoto Chain Co.
- Masahiro Koyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Link plate
- Patent number 11,486,467
- Issue date Nov 1, 2022
- Tsubakimoto Chain Co.
- Masahiro Koyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
CHAIN
- Publication number 20230117839
- Publication date Apr 20, 2023
- Tsubakimoto Chain Co.
- Tatsuya Hidaka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
CHAIN DRIVE SYSTEM
- Publication number 20210079983
- Publication date Mar 18, 2021
- Tsubakimoto Chain Co.
- Masahiro Koyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
LINK PLATE
- Publication number 20200386297
- Publication date Dec 10, 2020
- Tsubakimoto Chain Co.
- Masahiro Koyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...