Tetsu Ohsawa

Person

Sagamihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heat treatment apparatus and heat treatment boat
- Patent number 6,033,215
- Issue date Mar 7, 2000
- Tokyo Electron Limited
- Tetsu Ohsawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Heat treatment method and device
- Patent number 5,645,419
- Issue date Jul 8, 1997
- Tokyo Electron Kabushiki Kaisha
- Tetsu Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heat treatment apparatus and heat treatment boat
- Patent number 5,586,880
- Issue date Dec 24, 1996
- Tokyo Electron Limited
- Tetsu Ohsawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Transfer device
- Patent number 5,540,098
- Issue date Jul 30, 1996
- Tokyo Electron Limited
- Tetsu Ohsawa
- G01 - MEASURING TESTING
Information Patent Grant
Heat treating apparatus
- Patent number 5,464,313
- Issue date Nov 7, 1995
- Tokyo Electron Kabushiki Kaisha
- Tetsu Ohsawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Vertical treating apparatus having a restricting means for avoiding...
- Patent number 5,433,784
- Issue date Jul 18, 1995
- Tokyo Electron Kabushiki Kaisha
- Katsushin Miyagi
- C30 - CRYSTAL GROWTH
Information Patent Grant
Vertical heat treating device
- Patent number 5,407,181
- Issue date Apr 18, 1995
- Tokyo Electron Kabushiki Kaisha
- Tetsu Ohsawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Handling apparatus for transferring carriers and a method of transf...
- Patent number 5,064,337
- Issue date Nov 12, 1991
- Tokyo Electron Limited
- Teruo Asakawa
- H01 - BASIC ELECTRIC ELEMENTS

Tetsu Ohsawa

Person

Patents Grantslast 30 patents

Heat treatment apparatus and heat treatment boat

Heat treatment method and device

Heat treatment apparatus and heat treatment boat

Transfer device

Heat treating apparatus

Vertical treating apparatus having a restricting means for avoiding...

Vertical heat treating device

Handling apparatus for transferring carriers and a method of transf...