Mamoru Hiroyasu

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Saijo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic video recorder and cassette providing tape loading
- Patent number 4,056,834
- Issue date Nov 1, 1977
- Matsushita Electric Industrial Co., Ltd.
- Mamoru Hiroyasu
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary head type magnetic tape video recording-reproducing device
- Patent number 4,011,588
- Issue date Mar 8, 1977
- Matsushita Electric Industrial Co., Ltd.
- Fujio Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Helical scan type tape cassette having tape threading means
- Patent number 3,947,892
- Issue date Mar 30, 1976
- Matsushita Electric Industrial Company, Ltd.
- Teruo Saito
- G11 - INFORMATION STORAGE