Shoichi Muramoto

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Patents Grantslast 30 patents

Information Patent Grant
Flat thermionic cathode
- Patent number 4,069,436
- Issue date Jan 17, 1978
- Sony Corporation
- Akira Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic cathode and heater structure on ceramic base plate
- Patent number 4,053,807
- Issue date Oct 11, 1977
- Sony Corporation
- Torao Aozuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Indicator display tube
- Patent number 3,979,623
- Issue date Sep 7, 1976
- Sony Corporation
- Yuzuru Yanagisawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas discharge display tube with barrier means for prevention of ion...
- Patent number 3,976,907
- Issue date Aug 24, 1976
- Sony Corporation
- Yuzuru Yanagisawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating thermal printing head
- Patent number 3,950,200
- Issue date Apr 13, 1976
- Nippon Toki Kabushiki Kaisha
- Shoichi Muramoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS