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Akira Watanabe
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Hitachi, JP
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last 30 patents
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Patent Grant
Fluorine-containing silicon network polymer, insulating coating the...
Patent number
6,015,596
Issue date
Jan 18, 2000
Hitachi, Ltd.
Takao Miwa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Bridge apparatus with an address check circuit for interconnecting...
Patent number
5,247,620
Issue date
Sep 21, 1993
Hitachi, Ltd.
Junji Fukuzawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Microstrip line having a changed effective line length
Patent number
5,103,196
Issue date
Apr 7, 1992
Fujitsu Limited
Yoshiaki Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Second-harmonic-wave chocking filter
Patent number
4,999,596
Issue date
Mar 12, 1991
Fujitsu Limited
Tetsuji Nakatani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of removing crude oil sludge
Patent number
4,619,768
Issue date
Oct 28, 1986
Hitachi, Ltd.
Sankichi Takahashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL