Junichi Takahashi

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Kumagaya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oil ring for internal combustion engine
- Patent number 9,353,864
- Issue date May 31, 2016
- Kabushiki Kaisha Riken
- Yunzhi Gao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Multi-piece oil ring
- Patent number 9,140,361
- Issue date Sep 22, 2015
- Kabushiki Kaisha Riken
- Junichi Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Coating composition for engine parts and engine part comprising it
- Patent number 8,835,549
- Issue date Sep 16, 2014
- Kabushiki Kaisha Riken
- Yunzhi Gao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Seal Member
- Publication number 20170073512
- Publication date Mar 16, 2017
- Kabushiki Kaisha Riken
- Akihiro Oowada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MULTI-PIECE OIL RING
- Publication number 20140021686
- Publication date Jan 23, 2014
- Kabushiki Kaisha Riken
- Junichi Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
COATING COMPOSITION FOR ENGINE PARTS AND ENGINE PART COMPRISING IT
- Publication number 20120245274
- Publication date Sep 27, 2012
- Kabushiki Kaisha Riken
- Yunzhi Gao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL RING FOR INTERNAL COMBUSTION ENGINE
- Publication number 20120235359
- Publication date Sep 20, 2012
- Yunzhi Gao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...