Yukio Karasawa

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat treatment of Si single crystal
- Patent number 5,834,322
- Issue date Nov 10, 1998
- Shin-Etsu Handotai Co., Ltd.
- Izumi Fusegawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for testing electrical properties of silicon single crystal
- Patent number 5,688,319
- Issue date Nov 18, 1997
- Shin-Etsu Handotai Co., Ltd.
- Izumi Fusegawa
- G01 - MEASURING TESTING
Information Patent Grant
Method for testing electrical properties of silicon single crystal
- Patent number 5,534,112
- Issue date Jul 9, 1996
- Shin-Etsu Handotai Co., Ltd.
- Izumi Fusegawa
- G01 - MEASURING TESTING
Information Patent Grant
Method for testing quality of silicon wafer
- Patent number 5,386,796
- Issue date Feb 7, 1995
- Shin-Etsu Handotai Co., Ltd.
- Izumi Fusegawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for fabrication of semiconductor device
- Patent number 5,262,338
- Issue date Nov 16, 1993
- Shin-Etsu Handotai Co., Ltd.
- Izumi Fusegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for producing silicon single crystal
- Patent number 5,248,378
- Issue date Sep 28, 1993
- Shin-Etsu Handotai Co., Ltd.
- Tetsuhiro Oda
- C30 - CRYSTAL GROWTH

Patents Applicationslast 30 patents

Information Patent Application
INVERTER GENERATOR
- Publication number 20120074912
- Publication date Mar 29, 2012
- Yanmar Co., Ltd.
- Masao Namai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER