Minoru Takenaka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Friction material
- Patent number 6,432,187
- Issue date Aug 13, 2002
- Otsuka Chemical Co., Ltd.
- Hiroshi Ogawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Friction material
- Patent number 6,355,601
- Issue date Mar 12, 2002
- Otsuka Kagaku Kabushiki Kaisha
- Minoru Takenaka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...