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Toshihiko Ohta
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Taketoyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Security system and method of security service business
Patent number
7,091,870
Issue date
Aug 15, 2006
Hitachi, Ltd.
Hirofumi Tsutsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for analyzing vapors generated from explosives
Patent number
6,770,877
Issue date
Aug 3, 2004
Hitachi, Ltd.
Toshihiko Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing electronic circuits
Patent number
6,410,881
Issue date
Jun 25, 2002
Hitachi, Ltd.
Kaoru Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing electronic circuits
Patent number
6,269,998
Issue date
Aug 7, 2001
Hitachi, Ltd.
Kaoru Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing electronic circuits
Patent number
6,161,748
Issue date
Dec 19, 2000
Hitachi, Ltd.
Kaoru Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing electronic circuits
Patent number
6,133,135
Issue date
Oct 17, 2000
Hitachi, Ltd.
Kaoru Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for manufacturing electronic circuits
Patent number
5,940,728
Issue date
Aug 17, 1999
Hitachi, Ltd.
Kaoru Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic circuit device
Patent number
5,731,066
Issue date
Mar 24, 1998
Hitachi, Ltd.
Akihiro Ando
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for making electronic device
Patent number
5,499,668
Issue date
Mar 19, 1996
Hitachi, Ltd.
Kaoru Katayama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic circuit device provided with a ceramic substrate having...
Patent number
5,249,100
Issue date
Sep 28, 1993
Hitachi, Ltd.
Ryohei Satoh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plating process for an electronic part
Patent number
4,765,528
Issue date
Aug 23, 1988
Hitachi, Ltd.
Masao Sekibata
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR ANALYZING VAPORS GENERATED FROM EXPLOSIVES
Publication number
20040113067
Publication date
Jun 17, 2004
Toshihiko Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Security system and method of security service business
Publication number
20030009661
Publication date
Jan 9, 2003
Hirofumi Tsutsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Process for manufacturing electronic circuits
Publication number
20010039725
Publication date
Nov 15, 2001
Hitachi, Ltd.
Kaoru Katayama
H01 - BASIC ELECTRIC ELEMENTS