Ken Yoshikawa

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oil seal
- Patent number 8,413,995
- Issue date Apr 9, 2013
- NOK Corporation
- Hiroki Matsui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing device
- Patent number 7,789,210
- Issue date Sep 7, 2010
- NOK Corporation
- Yasunari Hamaya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing apparatus
- Patent number 6,209,879
- Issue date Apr 3, 2001
- Eagle Industry Co., Ltd.
- Koichi Mizunoya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
OIL SEAL
- Publication number 20100109252
- Publication date May 6, 2010
- NOK Corporation
- Hiroki Matsui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
CANCEL PLATE
- Publication number 20090038907
- Publication date Feb 12, 2009
- NOK Corporation
- Ken YOSHIKAWA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sealing Device
- Publication number 20070256557
- Publication date Nov 8, 2007
- NOK Corporation
- Yasunari Hamaya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...