Hiroshi Hiraki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic viewfinder having means for turning off a display device
- Patent number 5,699,115
- Issue date Dec 16, 1997
- Sony Corporation
- Hiroshi Hiraki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for displaying a video signal
- Patent number 5,003,388
- Issue date Mar 26, 1991
- Sony Corporation
- Yoshiki Shirochi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for reserving programs at various recording tape running...
- Patent number 4,796,107
- Issue date Jan 3, 1989
- Sony Corporation
- Hiroshi Hiraki
- G11 - INFORMATION STORAGE