Masaru Watanabe

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reciprocating seal
- Patent number 7,918,463
- Issue date Apr 5, 2011
- NOK Corporation
- Hidenori Arai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Reciprocating seal
- Publication number 20090134586
- Publication date May 28, 2009
- NOK Corporation
- Hidenori Arai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEALING DEVICE
- Publication number 20080272556
- Publication date Nov 6, 2008
- NOK Corporation
- Hiroyuki Sato
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEALING DEVICE
- Publication number 20080272558
- Publication date Nov 6, 2008
- NOK Corporation
- Hiroyuki Sato
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sealing Device
- Publication number 20070241515
- Publication date Oct 18, 2007
- NOK Corporation
- Hiroyuki Sato
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sealing device for reciprocating shaft
- Publication number 20070052180
- Publication date Mar 8, 2007
- NOK Corporation
- Masaru Watanabe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...