Hikaru Masui

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Video signal processing apparatus
- Patent number 5,122,869
- Issue date Jun 16, 1992
- Matsushita Electric Industrial Co., Ltd.
- Norihide Kinugasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal recording and reproducing apparatus with signal proces...
- Patent number 4,994,923
- Issue date Feb 19, 1991
- Hitachi, Ltd.
- Shigeyuki Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual record/read head video recording and playback apparatus with f...
- Patent number 4,992,891
- Issue date Feb 12, 1991
- Hitachi, Ltd.
- Keiichi Komatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Chrominance signal reproducing apparatus for video tape recorder
- Patent number 4,991,026
- Issue date Feb 5, 1991
- Hitachi, Ltd.
- Osamu Takase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical magnetic recording and reproducing method and apparatus cap...
- Patent number 4,901,297
- Issue date Feb 13, 1990
- Hitachi, Ltd.
- Keiichi Komatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking controlling device using multiple pilot signals in magneti...
- Patent number 4,809,096
- Issue date Feb 28, 1989
- Hitachi, Ltd.
- Nobuo Azuma
- G11 - INFORMATION STORAGE