Yoshimitsu Takeuchi

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Bizen, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass ceramics
- Patent number 4,943,541
- Issue date Jul 24, 1990
- Kyushu Refractories Co., Ltd.
- Akira Watanabe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of manufacturing longer fibers of potassium titanate
- Patent number 4,732,749
- Issue date Mar 22, 1988
- Kyushu Refractories Co., Ltd.
- Akira Watanabe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High strength calcium phosphate glass-ceramic materials
- Patent number 4,681,633
- Issue date Jul 21, 1987
- Kyushu Refractories Co., Ltd.
- Akira Watanabe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Good aesthetic artificial dental materials by calcium phosphate gla...
- Patent number 4,626,514
- Issue date Dec 2, 1986
- Kyushu Refractories Co., Ltd.
- Akira Watanabe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Silicon nitride composite refractories
- Patent number 4,540,674
- Issue date Sep 10, 1985
- Kyushu Refractories Co., Ltd.
- Akira Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES