Susumu Yamaya

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stoichiometric B1-type tantalum nitride and a sintered body thereof...
- Patent number 5,306,320
- Issue date Apr 26, 1994
- Toshiba Tungaloy Co., Ltd.
- Tsutomu Mashimo
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Stoichiometric B1-type tantalum nitride and a sintered body thereof...
- Patent number 5,201,923
- Issue date Apr 13, 1993
- Toshiba Tungaloy Co., Ltd.
- Tsutomu Mashimo
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing cubic boron nitride coated material
- Patent number 4,762,729
- Issue date Aug 9, 1988
- Toshiba Tungaloy Co., Ltd.
- Shin-ichi Hirano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cubic boron nitride coated material and producing method of the same
- Patent number 4,731,303
- Issue date Mar 15, 1988
- Toshiba Tungaloy Co., Ltd.
- Shin-ichi Hirano
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR