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Kazuto Ohbuchi
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for forming multi-layer wiring structure
Patent number
6,995,096
Issue date
Feb 7, 2006
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming multi-layer wiring structure
Patent number
6,723,633
Issue date
Apr 20, 2004
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming multi-layer wiring structure
Patent number
6,503,825
Issue date
Jan 7, 2003
Tokyo Ohka Kogyo Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Simultaneous discharge device
Patent number
5,922,134
Issue date
Jul 13, 1999
Tokyo Ohka Kogyo Co., Ltd.
Kazuto Ohbuchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plasma processing apparatus
Patent number
5,846,329
Issue date
Dec 8, 1998
Tokyo Ohka Kogyo Co., Ltd.
Hisashi Hori
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Method for forming multi-layer wiring structure
Publication number
20040248396
Publication date
Dec 9, 2004
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for forming multi-layer wiring structure
Publication number
20030073303
Publication date
Apr 17, 2003
Tokyo Ohka Kogyo Co., Ltd.
Hiroyuki Iida
H01 - BASIC ELECTRIC ELEMENTS