Toshiro Aizawa

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Helical scan data recording and playback method and apparatus where...
- Patent number 5,936,791
- Issue date Aug 10, 1999
- Hitachi, Ltd.
- Toshiro Aizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording and playback apparatus using a helical scan system w...
- Patent number 5,737,146
- Issue date Apr 7, 1998
- Hitachi, Ltd.
- Toshiro Aizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and playbackk apparatus
- Patent number 5,617,535
- Issue date Apr 1, 1997
- Hitachi, Ltd.
- Toshiro Aizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape drive with displaceable head capable of a re-try oper...
- Patent number 5,521,769
- Issue date May 28, 1996
- Hitachi, Ltd.
- Atsuo Suga
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording and reproducing apparatus
- Patent number 5,500,775
- Issue date Mar 19, 1996
- Hitachi, Ltd.
- Kouji Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording and playback apparatus using helical scan system wit...
- Patent number 5,488,520
- Issue date Jan 30, 1996
- Hitachi, Ltd.
- Toshiro Aizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital video signal reproducing apparatus with compression and exp...
- Patent number 5,392,163
- Issue date Feb 21, 1995
- Hitachi, Ltd.
- Shigemitsu Higuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Comb filter type luminance/chrominance signal separation circuit
- Patent number 5,047,866
- Issue date Sep 10, 1991
- Hitachi, Ltd.
- Katsuyuki Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshiro Aizawa

Person

Patents Grantslast 30 patents

Helical scan data recording and playback method and apparatus where...

Data recording and playback apparatus using a helical scan system w...

Recording and playbackk apparatus

Magnetic tape drive with displaceable head capable of a re-try oper...

Data recording and reproducing apparatus

Data recording and playback apparatus using helical scan system wit...

Digital video signal reproducing apparatus with compression and exp...

Comb filter type luminance/chrominance signal separation circuit