Hisashi Suwa

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spectacle type retina direct display apparatus
- Patent number 5,371,556
- Issue date Dec 6, 1994
- Sony Corporation
- Hisashi Suwa
- G02 - OPTICS
Information Patent Grant
Screen cover opening/closing device for television receiver
- Patent number 5,343,257
- Issue date Aug 30, 1994
- Sony Corporation
- Fumio Kohno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rotary magnetic head and guide drum assembly with reduce mounting h...
- Patent number 4,891,726
- Issue date Jan 2, 1990
- Sony Corporation
- Hisashi Suwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and/or reproducing apparatus
- Patent number 4,853,804
- Issue date Aug 1, 1989
- Sony Corporation
- Hisashi Suwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Loudspeaker system with heat pipe
- Patent number 4,210,778
- Issue date Jul 1, 1980
- Sony Corporation
- Sadaaki Sakurai
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Tuning apparatus with band-selection means
- Patent number 4,167,703
- Issue date Sep 11, 1979
- Sony Corporation
- Hisashi Suwa
- H03 - BASIC ELECTRONIC CIRCUITRY