Nobuyuki Matsushima

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wire material for coil expander and coil expander
- Patent number 7,954,822
- Issue date Jun 7, 2011
- Nippon Piston Ring Co., Ltd.
- Nobuyuki Matsushima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston ring
- Patent number 6,860,485
- Issue date Mar 1, 2005
- Nippon Piston Ring Co., Ltd.
- Tetsuo Masuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Wire material for coil expander and coil expander
- Publication number 20090243225
- Publication date Oct 1, 2009
- Nobuyuki Matsushima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Combination oil ring
- Publication number 20060113730
- Publication date Jun 1, 2006
- Takao Suzuki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Piston ring
- Publication number 20030184023
- Publication date Oct 2, 2003
- Nippon Piston Ring Co., Ltd.
- Tetsuo Masuyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...