Katuo Sugawara

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrically insulated coils and a method of manufacturing thereof
- Patent number 5,416,373
- Issue date May 16, 1995
- Hitachi, Ltd.
- Syoichi Maruyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Photosensitive element for electrophotography
- Patent number 5,215,842
- Issue date Jun 1, 1993
- Hitachi, Ltd.
- Sukekazu Aratani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosetting resin composition, and prepreg and laminated sheet wh...
- Patent number 5,212,244
- Issue date May 18, 1993
- Hitachi, Ltd.
- Katuo Sugawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Prepreg from poly(p-hydroxystyrene), epoxy-modified polybutadiene a...
- Patent number 5,080,965
- Issue date Jan 14, 1992
- Hitachi, Ltd.
- Katuo Sugawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multi-layer circuit board, method of manufacturing the same and app...
- Patent number 5,065,285
- Issue date Nov 12, 1991
- Hitachi, Ltd.
- Akira Nagai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Resin composition for printed circuit board
- Patent number 5,041,478
- Issue date Aug 20, 1991
- Hitachi, Ltd.
- Katuo Sugawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition for printed circuit board and such board formed b...
- Patent number 4,946,734
- Issue date Aug 7, 1990
- Hitachi, Ltd.
- Katuo Sugawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition comprising poly(p-hydroxystrene) derivative, epoxy-modi...
- Patent number 4,931,507
- Issue date Jun 5, 1990
- Hitachi, Ltd.
- Katuo Sugawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Integrated circuit device
- Patent number 4,809,058
- Issue date Feb 28, 1989
- Hitachi, Ltd.
- Takao Funamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermosetting resin composition and laminate and process for the pr...
- Patent number 4,784,917
- Issue date Nov 15, 1988
- Hitachi, Ltd.
- Keiko Tawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermo-setting, polymerizable composition and wiring board
- Patent number 4,738,900
- Issue date Apr 19, 1988
- Hitachi, Ltd.
- Masahiro Ono
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hybrid multilayer wiring board
- Patent number 4,710,854
- Issue date Dec 1, 1987
- Hitachi, Ltd.
- Minoru Yamada
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Thermosetting resin composition from aromatic cyanamide
- Patent number 4,607,094
- Issue date Aug 19, 1986
- Hitachi, Ltd.
- Katuo Sugawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition and laminate produced therefrom comprising a cycl...
- Patent number 4,587,162
- Issue date May 6, 1986
- Hitachi, Ltd.
- Akira Nagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus for diagnosing oil-filled electric apparatus
- Patent number 4,502,320
- Issue date Mar 5, 1985
- Hitachi, Ltd.
- Seiichi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Gas chromatographic apparatus
- Patent number 4,470,832
- Issue date Sep 11, 1984
- Hitachi, Ltd.
- Katuo Sugawara
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting gas components in oil in oil-fil...
- Patent number 4,444,040
- Issue date Apr 24, 1984
- Hitachi, Ltd.
- Seiichi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
System for monitoring abnormality of oil-filled electric devices
- Patent number 4,402,211
- Issue date Sep 6, 1983
- Hitachi, Ltd.
- Katuo Sugawara
- G01 - MEASURING TESTING

Katuo Sugawara

Person

Patents Grantslast 30 patents

Electrically insulated coils and a method of manufacturing thereof

Photosensitive element for electrophotography

Thermosetting resin composition, and prepreg and laminated sheet wh...

Prepreg from poly(p-hydroxystyrene), epoxy-modified polybutadiene a...

Multi-layer circuit board, method of manufacturing the same and app...

Resin composition for printed circuit board

Resin composition for printed circuit board and such board formed b...

Composition comprising poly(p-hydroxystrene) derivative, epoxy-modi...

Integrated circuit device

Thermosetting resin composition and laminate and process for the pr...

Thermo-setting, polymerizable composition and wiring board

Hybrid multilayer wiring board

Thermosetting resin composition from aromatic cyanamide

Resin composition and laminate produced therefrom comprising a cycl...

Method and apparatus for diagnosing oil-filled electric apparatus

Gas chromatographic apparatus

Method and apparatus for detecting gas components in oil in oil-fil...

System for monitoring abnormality of oil-filled electric devices