Kuniyoshi Ueda

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber connector part and process for producing the same
- Patent number 5,926,595
- Issue date Jul 20, 1999
- Tosoh Corporation
- Koji Matsui
- G02 - OPTICS
Information Patent Grant
High-strength zirconia type sintered body and process for preparati...
- Patent number 4,774,041
- Issue date Sep 27, 1988
- Toyo Soda Manufacturing Co. Ltd.
- Koji Tsukuma
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for preparation of high .alpha.-type silicon nitride powder
- Patent number 4,770,830
- Issue date Sep 13, 1988
- Toyo Soda Manufacturing Co., Ltd.
- Toshihiko Arakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
High-strength zirconia type sintered body
- Patent number 4,587,225
- Issue date May 6, 1986
- Toyo Soda Manufacturing Co., Ltd.
- Koji Tsukuma
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES