Yoshimi Watanabe

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Okazaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel member surface treatment method
- Patent number 6,379,479
- Issue date Apr 30, 2002
- Aisin Aw Co., Ltd.
- Kouji Ohbayashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Surface processing method for a steel member and surface processed...
- Patent number 5,961,751
- Issue date Oct 5, 1999
- Aisin AW Co., Ltd.
- Michio Maruki
- C21 - METALLURGY OF IRON
Information Patent Grant
Lockup clutch for a torque converter and method of thermally treati...
- Patent number 5,788,034
- Issue date Aug 4, 1998
- Aisin AW Co., Ltd.
- Michio Maruki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...