Eigoro Tsukagoshi

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Patents Grantslast 30 patents

Information Patent Grant
Bearing material and its manufacturing method
- Patent number 5,798,155
- Issue date Aug 25, 1998
- Yanagawa Seiko Co., Ltd.
- Chuichi Yanagawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Oil seal comprising lip seal with thermal expansion controlled rein...
- Patent number 4,747,603
- Issue date May 31, 1988
- Arai Seisakusho Co., Ltd.
- Eiichi Sugino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for molding a cover of synthetic resin powder material on a...
- Patent number 4,172,112
- Issue date Oct 23, 1979
- Arai; Yoshio
- Eigoro Tsukagoshi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL