Kenro Hayashi

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of a silicon wafer having a controlled BMD con...
- Patent number 5,788,763
- Issue date Aug 4, 1998
- Toshiba Ceramics Co., Ltd.
- Kenro Hayashi
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of producing heat treating furnace member
- Patent number 4,836,965
- Issue date Jun 6, 1989
- Toshiba Ceramics Co., Ltd.
- Kenro Hayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of manufacturing heating furnace parts
- Patent number 4,753,763
- Issue date Jun 28, 1988
- Toshiba Ceramics Co., Ltd.
- Takashi Tanaka
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of manufacturing parts for use to the heat processing furnace
- Patent number 4,619,798
- Issue date Oct 28, 1986
- Toshiba Ceramics Co., Ltd.
- Takashi Tanaka
- C30 - CRYSTAL GROWTH