Masaki HAYASHI

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Okaya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Combined oil ring
- Patent number 8,616,556
- Issue date Dec 31, 2013
- Teikoku Piston Ring Co., Ltd.
- Masaki Hayashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
COMBINED OIL RING
- Publication number 20090273142
- Publication date Nov 5, 2009
- Teikoku Piston Ring Co., Ltd.
- Masaki HAYASHI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...