Masahiro Nakazawa

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Combined oil control ring
- Patent number 9,410,625
- Issue date Aug 9, 2016
- Kabushiki Kaisha Riken
- Masahiro Nakazawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
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- Patent number 7,243,596
- Issue date Jul 17, 2007
- Kabushiki Kaisha Rikon
- Miyuki Usui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
COMBINED OIL CONTROL RING
- Publication number 20140265149
- Publication date Sep 18, 2014
- Kabushiki Kaisha Riken
- Masahiro Nakazawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
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- Publication number 20060169135
- Publication date Aug 3, 2006
- Kabushiki Kaisha Riken
- Miyuki Usui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...