Makoto Kassai

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Yokohama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Electrical contact and process of manufacture
- Patent number 4,088,803
- Issue date May 9, 1978
- Fujitsu Limited
- Masatoshi Kubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process of producing semi-hard magnetic materials
- Patent number 3,989,557
- Issue date Nov 2, 1976
- Fujitsu Ltd.
- Zenzo Henmi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing semi-hard Co-Nb-Fl magnetic materials
- Patent number 3,983,916
- Issue date Oct 5, 1976
- Fujitsu Ltd.
- Zenzo Henmi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Semi-hard magnetic materials
- Patent number 3,974,000
- Issue date Aug 10, 1976
- Fujitsu Ltd.
- Zenzo Henmi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...