Susumu Hiraoka

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Kokubunji, JP

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Patents Grantslast 30 patents

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Surface treating apparatus, surface treating method and semiconduct...
- Patent number 5,505,778
- Issue date Apr 9, 1996
- Hitachi, Ltd.
- Tetsuo Ono
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Dry etching method
- Patent number 5,401,357
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Hidekazu Okuhira
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface fabricating device
- Patent number 5,110,407
- Issue date May 5, 1992
- Hitachi, Ltd.
- Tetsuo Ono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface treatment method
- Patent number 5,108,778
- Issue date Apr 28, 1992
- Hitachi, Ltd.
- Keizo Suzuki
- C30 - CRYSTAL GROWTH
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Surface treatment and apparatus therefor
- Patent number 4,886,571
- Issue date Dec 12, 1989
- Hitachi, Ltd.
- Keizo Suzuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Laser surface treatment method and apparatus for practicing same
- Patent number 4,828,874
- Issue date May 9, 1989
- Hitachi, Ltd.
- Susumu Hiraoka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...