Kazunori Kotani

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Patents Grantslast 30 patents

Information Patent Grant
VTR having magnetic-head array capable of recording/reproducing sig...
- Patent number 4,743,977
- Issue date May 10, 1988
- Hitachi, Ltd.
- Atsushi Yoshioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vertical contour emphasis de-emphasis circuit
- Patent number 4,647,960
- Issue date Mar 3, 1987
- Hitachi, Ltd.
- Kuniaki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE