Tsuyoshi Umemoto

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power supply, a semiconductor making apparatus and a semiconductor...
- Patent number 7,125,730
- Issue date Oct 24, 2006
- Hitachi High-Technologies Corporation
- Youji Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Power supply, a semiconductor making apparatus and a semiconductor...
- Patent number 6,713,885
- Issue date Mar 30, 2004
- Hitachi High-Technologies Corporation
- Youji Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
High-frequency power supply apparatus for plasma generation apparatus
- Patent number 6,586,887
- Issue date Jul 1, 2003
- Hitachi High-Technologies Corporation
- Yasuo Oogoshi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Power supply, a semiconductor making apparatus and a semiconductor...
- Publication number 20040056706
- Publication date Mar 25, 2004
- Youji Takahashi
- G01 - MEASURING TESTING
Information Patent Application
Power supply, a semiconductor making apparatus and a semiconductor...
- Publication number 20030162309
- Publication date Aug 28, 2003
- Youji Takahashi
- G01 - MEASURING TESTING