Ryuji Watanabe

Person

Tokaimura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thin-film multilayer wiring board with wiring and via holes in a th...
- Patent number 6,326,561
- Issue date Dec 4, 2001
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin-film multilayer wiring board and production thereof
- Patent number 6,190,493
- Issue date Feb 20, 2001
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-layer wiring structure
- Patent number 5,768,108
- Issue date Jun 16, 1998
- Hitachi, Ltd.
- Osamu Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
LSI package board
- Patent number 5,565,706
- Issue date Oct 15, 1996
- Hitachi, Ltd.
- Osamu Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making electrical connections in the manufacture of wirin...
- Patent number 5,497,545
- Issue date Mar 12, 1996
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical recording medium
- Patent number 5,187,052
- Issue date Feb 16, 1993
- Hitachi, Ltd.
- Yoshihito Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Metal-organic macromolecular synthetic resin composite and process...
- Patent number 5,178,962
- Issue date Jan 12, 1993
- Hitachi, Ltd.
- Toshio Miyamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing metal-polyimide composite article
- Patent number 5,133,989
- Issue date Jul 28, 1992
- Hitachi, Ltd.
- Shunichi Numata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing metal/polyimide composite article
- Patent number 5,120,573
- Issue date Jun 9, 1992
- Hitachi, Ltd.
- Kunio Miyazaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for making vacuum circuit breaker electrodes
- Patent number 4,836,978
- Issue date Jun 6, 1989
- Hitachi, Ltd.
- Ryuji Watanabe
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Optical information apparatus and method of recording and erasing i...
- Patent number 4,718,053
- Issue date Jan 5, 1988
- Hitachi, Ltd.
- Yoshio Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium
- Patent number 4,651,172
- Issue date Mar 17, 1987
- Hitachi, Ltd.
- Ryuji Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Surge-absorberless vacuum circuit interrupter
- Patent number 4,551,596
- Issue date Nov 5, 1985
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit breaker
- Patent number 4,547,639
- Issue date Oct 15, 1985
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum switch and method of manufacturing the same
- Patent number 4,546,222
- Issue date Oct 8, 1985
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrodes of vacuum circuit breaker
- Patent number 4,347,413
- Issue date Aug 31, 1982
- Hitachi, Ltd.
- Ryuji Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing a vacuum circuit breaker
- Patent number 4,231,814
- Issue date Nov 4, 1980
- Hitachi, Ltd.
- Ryuji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for use in separation and recovery of non-magn...
- Patent number 4,106,627
- Issue date Aug 15, 1978
- Agency of Industrial Science and Technology
- Ryuji Watanabe
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Ryuji Watanabe

Person

Patents Grantslast 30 patents

Thin-film multilayer wiring board with wiring and via holes in a th...

Thin-film multilayer wiring board and production thereof

Multi-layer wiring structure

LSI package board

Method of making electrical connections in the manufacture of wirin...

Optical recording medium

Metal-organic macromolecular synthetic resin composite and process...

Process for producing metal-polyimide composite article

Process for producing metal/polyimide composite article

Method for making vacuum circuit breaker electrodes

Optical information apparatus and method of recording and erasing i...

Information recording medium

Surge-absorberless vacuum circuit interrupter

Vacuum circuit breaker

Vacuum switch and method of manufacturing the same

Electrodes of vacuum circuit breaker

Method of producing a vacuum circuit breaker

Method and apparatus for use in separation and recovery of non-magn...