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Hisashi Sugiyama
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Wiring structure of source line used in semicustom integrated circuit
Patent number
5,539,223
Issue date
Jul 23, 1996
Kabushiki Kaisha Toshiba
Takeshi Sugoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Photosensitive resin composition having high resistance to oxygen p...
Patent number
5,264,319
Issue date
Nov 23, 1993
Hitachi, Ltd.
Hisashi Sugiyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
.alpha.-diazoacetoacetates and photosensitive resin compositions co...
Patent number
5,158,855
Issue date
Oct 27, 1992
Hitachi, Ltd.
Hisashi Sugiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Logic circuit for use in D/A converter having ECL-type gate structure
Patent number
5,034,630
Issue date
Jul 23, 1991
Kabushiki Kaisha Toshiba
Hisashi Sugiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Analog/digital converter circuit
Patent number
4,918,450
Issue date
Apr 17, 1990
Kabushiki Kaisha Toshiba
Hisashi Sugiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Booth's conversion circuit
Patent number
4,798,980
Issue date
Jan 17, 1989
Kabushiki Kaisha Toshiba
Hisashi Sugiyama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Level conversion circuit
Patent number
4,779,016
Issue date
Oct 18, 1988
Kabushiki Kaisha Toshiba
Hisashi Sugiyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Alkali-soluble siloxane polymer, silmethylene polymer, and polyorga...
Patent number
4,745,169
Issue date
May 17, 1988
Hitachi, Ltd.
Hisashi Sugiyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...