Isao Owaki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic tape having multiple tracks and recording apparatus therefor
- Patent number 4,591,927
- Issue date May 27, 1986
- Victor Company of Japan, Ltd.
- Isao Owaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital data duplication apparatus
- Patent number 4,551,840
- Issue date Nov 5, 1985
- Victor Company of Japan, Limited
- Yasuhiko Fujii
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-track digital recording and playback system
- Patent number 4,533,964
- Issue date Aug 6, 1985
- Victor Company of Japan, Limited
- Isao Owaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape speed control for producing a master tape carrying a digital s...
- Patent number 4,527,207
- Issue date Jul 2, 1985
- Victor Company of Japan, Limited
- Isao Owaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for cutting a sound groove on a disc recording medium
- Patent number 4,105,213
- Issue date Aug 8, 1978
- Victor Company of Japan, Ltd.
- Isao Owaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR