Membership
Tour
Register
Log in
Takao Kumihashi
Follow
Person
Mitaka, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for dry etching
Patent number
7,071,114
Issue date
Jul 4, 2006
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
6,599,830
Issue date
Jul 29, 2003
Hitachi, Ltd.
Takeshi Furusawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for dry etching
Patent number
6,562,722
Issue date
May 13, 2003
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing semiconductor integrated circuit device
Patent number
6,497,992
Issue date
Dec 24, 2002
Hitachi, Ltd.
Takashi Yunogami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
6,479,380
Issue date
Nov 12, 2002
Hitachi, Ltd.
Takeshi Furusawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for dry etching
Patent number
6,333,273
Issue date
Dec 25, 2001
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for dry etching
Patent number
6,136,721
Issue date
Oct 24, 2000
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing semiconductor integrated circuit device
Patent number
6,057,081
Issue date
May 2, 2000
Hitachi, Ltd.
Takashi Yunogami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for dry etching
Patent number
6,008,133
Issue date
Dec 28, 1999
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for dry etching
Patent number
5,795,832
Issue date
Aug 18, 1998
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for dry etching
Patent number
5,650,038
Issue date
Jul 22, 1997
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for dry etching
Patent number
5,474,650
Issue date
Dec 12, 1995
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dry-etching method and apparatus
Patent number
5,409,562
Issue date
Apr 25, 1995
Hitachi, Ltd.
Takao Kumihashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dry etching apparatus and method
Patent number
5,368,685
Issue date
Nov 29, 1994
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for dry etching
Patent number
5,354,418
Issue date
Oct 11, 1994
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for dry etching
Patent number
5,318,667
Issue date
Jun 7, 1994
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plasma treatment method and apparatus
Patent number
5,242,539
Issue date
Sep 7, 1993
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for dry etching
Publication number
20050074977
Publication date
Apr 7, 2005
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and manufacturing method thereof
Publication number
20020164865
Publication date
Nov 7, 2002
Hitachi, Ltd.
Takeshi Furusawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for dry etching
Publication number
20020098708
Publication date
Jul 25, 2002
Hitachi, Ltd.
Takao Kumihashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and manufacturing method thereof
Publication number
20010046783
Publication date
Nov 29, 2001
Takeshi Furusawa
H01 - BASIC ELECTRIC ELEMENTS