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Kimio Muramatsu
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Takasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Inspection data analyzing system
Patent number
6,628,817
Issue date
Sep 30, 2003
Hitachi, Ltd.
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Grant
Inspection data analyzing system
Patent number
6,529,619
Issue date
Mar 4, 2003
Hitachi, Ltd.
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Grant
Inspection data analyzing system
Patent number
6,339,653
Issue date
Jan 15, 2002
Hitachi, Ltd.
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Grant
Inspection data analyzing system
Patent number
6,330,352
Issue date
Dec 11, 2001
Hitachi, Ltd.
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Grant
Inspection system and method using separate processors for processi...
Patent number
6,185,322
Issue date
Feb 6, 2001
Hitachi, Ltd.
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Grant
Inspection data analyzing system
Patent number
5,841,893
Issue date
Nov 24, 1998
Hitachi, Ltd.
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Grant
Vacuum system with a secondary gas also connected to the roughing p...
Patent number
5,062,771
Issue date
Nov 5, 1991
Hitachi, Ltd.
Akihiko Satou
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Vacuum pump
Patent number
4,904,155
Issue date
Feb 27, 1990
Hitachi, Ltd.
Takashi Nagaoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method for LPCVD of semiconductors using oil free vacuum pumps
Patent number
4,835,114
Issue date
May 30, 1989
Hitachi, Ltd.
Akihiko Satou
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Inspection data analyzing system
Publication number
20020034326
Publication date
Mar 21, 2002
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Application
Inspection data analyzing system
Publication number
20010038708
Publication date
Nov 8, 2001
Seiji Ishikawa
G01 - MEASURING TESTING
Information
Patent Application
Inspection data analyzing system
Publication number
20010001015
Publication date
May 10, 2001
Seiji Ishikawa
G01 - MEASURING TESTING