Akira Saito

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical head for optical memory disk recording device with elastic...
- Patent number 5,621,576
- Issue date Apr 15, 1997
- Hitachi, Ltd.
- Yoshiaki Yamauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus with galvanomirror having movable reflecting...
- Patent number 5,412,633
- Issue date May 2, 1995
- Hitachi, Ltd.
- Atsushi Ichikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head device for recording/reproduction for recording medium...
- Patent number 5,295,125
- Issue date Mar 15, 1994
- Hitachi, Ltd.
- Kunikazu Oonishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus with light beam deflection...
- Patent number 5,278,813
- Issue date Jan 11, 1994
- Hitachi, Ltd.
- Kunikazu Ohnishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk driving with inertial damping spring supporting lens h...
- Patent number 5,220,459
- Issue date Jun 15, 1993
- Hitachi, Ltd.
- Atsushi Ichikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device using a resilient member
- Patent number 5,109,368
- Issue date Apr 28, 1992
- Hitachi, Ltd.
- Hiroaki Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording disc and apparatus for driving the disc
- Patent number 5,072,438
- Issue date Dec 10, 1991
- Hitachi Maxell, Ltd.
- Masahiro Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for detecting focus error signal and tracking...
- Patent number 4,841,509
- Issue date Jun 20, 1989
- Hitachi, Ltd.
- Toshimasa Kamisada
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for driving objective lens
- Patent number 4,838,649
- Issue date Jun 13, 1989
- Hitachi, Ltd.
- Atsushi Ichikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Correcting for comatic aberration in an optical head of an optical...
- Patent number 4,807,212
- Issue date Feb 21, 1989
- Hitachi, Ltd.
- Tokuya Kaneda
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus error detection apparatus utilizing focusing an front and rea...
- Patent number 4,742,218
- Issue date May 3, 1988
- Hitachi, Ltd.
- Shigeru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape scanning assembly for use in video tape recorder and...
- Patent number 4,163,266
- Issue date Jul 31, 1979
- Hitachi, Ltd.
- Takeo Tamamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Akira Saito

Person

Patents Grantslast 30 patents

Optical head for optical memory disk recording device with elastic...

Optical disk apparatus with galvanomirror having movable reflecting...

Optical head device for recording/reproduction for recording medium...

Optical recording/reproducing apparatus with light beam deflection...

Optical disk driving with inertial damping spring supporting lens h...

Optical device using a resilient member

Optical information recording disc and apparatus for driving the disc

Apparatus and method for detecting focus error signal and tracking...

Apparatus for driving objective lens

Correcting for comatic aberration in an optical head of an optical...

Focus error detection apparatus utilizing focusing an front and rea...

Magnetic tape scanning assembly for use in video tape recorder and...