Yuusuke Matsumura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic fluid composition
- Patent number 5,902,513
- Issue date May 11, 1999
- Taiho Industries Co., Ltd.
- Kazuya Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lubricating fluid composition for dynamic pressure bearing
- Patent number 5,629,274
- Issue date May 13, 1997
- Sankyo Seiki Mfg. Co., Ltd.
- Masamichi Hayakawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lubricating fluid composition for dynamic pressure bearing
- Patent number 5,627,147
- Issue date May 6, 1997
- Sankyo Seiki Mfg. Co., Ltd.
- Masamichi Hayakawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...