Tatsuya Okamura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Paper feed roller and method of manufacture
- Patent number 6,843,761
- Issue date Jan 18, 2005
- Sumitomo Osaka Cement Co., Ltd.
- Kiyohiko Uchida
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Keytop plate and method for producing the same
- Patent number 6,023,033
- Issue date Feb 8, 2000
- Teikoku Tsushin Kogyo Co., Ltd.
- Nobuyuki Yagi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Refining agent and refining method
- Publication number 20060096416
- Publication date May 11, 2006
- JFE STEEL CORPORATION
- Yoshie Nakai
- C21 - METALLURGY OF IRON
Information Patent Application
Refining agent and refining method
- Publication number 20050257644
- Publication date Nov 24, 2005
- NKK Corporation
- Yoshie Nakai
- C21 - METALLURGY OF IRON
Information Patent Application
Thermoplastic Hydraulic Composition, Formed Article Prepared From T...
- Publication number 20050228081
- Publication date Oct 13, 2005
- Kiyohiko Uchida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES