Takashi Watanabe

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Iwakuni, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shaped silion carbide-eased ceramic article
- Patent number 5,091,271
- Issue date Feb 25, 1992
- Teijin Limited
- Toru Sawaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing a shaped silicon carbide-based ceramic article
- Patent number 4,897,229
- Issue date Jan 30, 1990
- Teijin Limited
- Toru Sawaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Novel acrylates and their manufacturing methods
- Patent number 4,593,121
- Issue date Jun 3, 1986
- Sanyo-Kokusaku Pulp Co., Ltd.
- Yasuhiro Okamoto
- C07 - ORGANIC CHEMISTRY