Kazuto Obuchi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for plasma treatment
- Patent number 6,770,165
- Issue date Aug 3, 2004
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuto Obuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Processing method for substrate
- Patent number 6,758,222
- Issue date Jul 6, 2004
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuto Obuchi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Plasma processing apparatus
- Patent number 6,656,323
- Issue date Dec 2, 2003
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuto Obuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Processing apparatus for substrates
- Patent number 5,980,684
- Issue date Nov 9, 1999
- Tokyo Ohka Co., Ltd.
- Hisashi Hori
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of and apparatus for processing a workpiece in plasma
- Patent number 5,344,536
- Issue date Sep 6, 1994
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuto Obuchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for plasma treatment
- Publication number 20030015293
- Publication date Jan 23, 2003
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuto Obuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus for plasma processing
- Publication number 20020108712
- Publication date Aug 15, 2002
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuto Obuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Processing method for substrate
- Publication number 20020108710
- Publication date Aug 15, 2002
- Tokyo Ohka Kogyo Co., Ltd.
- Kazuto Obuchi
- C03 - GLASS MINERAL OR SLAG WOOL