Toshimasa Kumazaki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Means for compatibly reproducing video discs recorded according to...
- Patent number RE32194
- Issue date Jun 24, 1986
- Victor Company of Japan, Ltd.
- Toyotaka Machida
- 358 - Facsimile and static presentation processing
Information Patent Grant
Video recording by frequency modulation of luminance and multiplexe...
- Patent number 4,491,876
- Issue date Jan 1, 1985
- Victor Company of Japan, Ltd.
- Hitoshi Aoike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Means for compatibly reproducing video discs recorded according to...
- Patent number 4,445,143
- Issue date Apr 24, 1984
- Victor Company of Japan, Ltd.
- Toyotaka Machida
- G11 - INFORMATION STORAGE