Masato Sakai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrically conductive precipitation hardened copper alloy and a m...
- Patent number 4,755,235
- Issue date Jul 5, 1988
- Tokyo Shibaura Denki Kabushiki Kaisha
- Seika Matidori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing copper alloy by melting technique
- Patent number 4,451,430
- Issue date May 29, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Seika Matidori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Curved blade rotor for a turbo supercharger
- Patent number 4,385,866
- Issue date May 31, 1983
- Tokyo Shibaura Denki Kabushiki Kaisha
- Toshihiko Ochiai
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Prechamber cup for an internal combustion engine
- Patent number 4,325,334
- Issue date Apr 20, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Katsutoshi Nishida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Rotor-shaft assembly
- Patent number 4,123,199
- Issue date Oct 31, 1978
- Tokyo Shibaura Electric Co., Ltd.
- Syogo Shimizu
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES