Hoshidenki-Seizo Kabushiki Kaisha

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Analog electronic timepiece
- Patent number 4,254,488
- Issue date Mar 3, 1981
- Hoshidenki-Seizo Kabushiki Kaisha
- Shin Ojima
- G04 - HOROLOGY
Information Patent Grant
Electret microphone
- Patent number 4,236,051
- Issue date Nov 25, 1980
- Hoshidenki-Seizo Kabushiki Kaisha
- Sadayoshi Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of making a spark gap device for a cathode ray tube socket
- Patent number 4,158,254
- Issue date Jun 19, 1979
- Hoshidenki-Seizo Kabushiki Kaisha
- Masayuki Uda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pen type electronic digital calculator
- Patent number 4,128,889
- Issue date Dec 5, 1978
- Hoshidenki-Seizo Kabushiki Kaisha
- Shin Ojima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Spark gap device for a cathode ray tube socket
- Patent number 4,119,878
- Issue date Oct 10, 1978
- Hoshidenki-Seizo Kabushiki Kaisha
- Masayuki Uda
- H01 - BASIC ELECTRIC ELEMENTS

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