Kiyoshi Ohsato

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disc recording/reproduction apparatus and method
- Patent number RE40371
- Issue date Jun 10, 2008
- Sony Corporation
- Isao Ichimura
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Optical head and recording/reproducing device
- Patent number 6,721,259
- Issue date Apr 13, 2004
- Sony Corporation
- Kenji Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus controlling apparatus and method, and optical disc drive
- Patent number 6,674,696
- Issue date Jan 6, 2004
- Sony Corporation
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Lens driving device, optical head and optical disc system
- Patent number 6,414,931
- Issue date Jul 2, 2002
- Sony Corporation
- Fumisada Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup for discriminating between and reading different typ...
- Patent number 6,366,543
- Issue date Apr 2, 2002
- Sony Corporation
- Kamon Uemura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical disk device
- Patent number 6,353,592
- Issue date Mar 5, 2002
- Sony Corporation
- Toshiyuki Kashiwagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording/reproduction apparatus having a lens group,...
- Patent number 6,292,453
- Issue date Sep 18, 2001
- Sony Corporation
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup for discriminating between and reading different typ...
- Patent number 6,222,803
- Issue date Apr 24, 2001
- Sony Corporation
- Kamon Uemura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up device, optical recording/reproducing apparatus and...
- Patent number 6,115,347
- Issue date Sep 5, 2000
- Sony Corporation
- Isao Ichimura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Objective lens unit and recording/reproduction apparatus
- Patent number 6,104,691
- Issue date Aug 15, 2000
- Sony Corporation
- Kenji Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording/reproducing apparatus and recording/reproducing method fo...
- Patent number 6,097,688
- Issue date Aug 1, 2000
- Sony Corporation
- Isao Ichimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens having a doublet lens with high numerical aperture
- Patent number 6,058,095
- Issue date May 2, 2000
- Sony Corporation
- Kenji Yamamoto
- G02 - OPTICS
Information Patent Grant
Optical pickup and an optical pickup objective lense assembling method
- Patent number 6,055,113
- Issue date Apr 25, 2000
- Sony Corporation
- Kenji Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording/reproduction apparatus and method
- Patent number 6,041,031
- Issue date Mar 21, 2000
- Sony Corporation
- Isao Ichimura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical recording medium recording and reproducing apparatus and op...
- Patent number 6,005,834
- Issue date Dec 21, 1999
- Sony Corporation
- Fumisada Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for reproducing sound signals recorded on a motion pictur...
- Patent number 5,841,513
- Issue date Nov 24, 1998
- Sony Corporation
- Shunji Yoshimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens designing method and objective lens apparatus with two lenses
- Patent number 5,828,453
- Issue date Oct 27, 1998
- Sony Corporation
- Kenji Yamamoto
- G02 - OPTICS
Information Patent Grant
Optical pickup device with a floating element
- Patent number 5,786,947
- Issue date Jul 28, 1998
- Sony Corporation
- Fumisada Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device for light collection onto an optical recordin...
- Patent number 5,774,281
- Issue date Jun 30, 1998
- Sony Corporation
- Fumisada Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
optical pickup apparatus
- Patent number 5,764,613
- Issue date Jun 9, 1998
- Sony Corporation
- Kenji Yamamoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical pick-up device
- Patent number 5,712,842
- Issue date Jan 27, 1998
- Sony Corporation
- Kenji Yamamoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Disc playback apparatus with automatic disc changer
- Patent number 5,572,380
- Issue date Nov 5, 1996
- Sony Corporation
- Yasushi Fujinami
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary drum tape recording apparatus with controlling optical recor...
- Patent number 5,559,766
- Issue date Sep 24, 1996
- Sony Corporation
- Takashi Nakao
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk pickup device with tilt compensation by electrostriction
- Patent number 5,515,348
- Issue date May 7, 1996
- Sony Corporation
- Kiyoshi Ohsato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical disk pickup device with focusing correction by electrostric...
- Patent number 5,513,158
- Issue date Apr 30, 1996
- Sony Corporation
- Kiyoshi Ohsato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical plate for correcting comatic aberration
- Patent number 5,442,615
- Issue date Aug 15, 1995
- Sony Corporation
- Kiyoshi Ohsato
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser light generating apparatus
- Patent number 5,303,250
- Issue date Apr 12, 1994
- Sony Corporation
- Hisashi Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical pickup device for recordable disc and dichroic mirror
- Patent number 5,260,927
- Issue date Nov 9, 1993
- Sony Corporation
- Teruaki Higashihara
- G02 - OPTICS
Information Patent Grant
Optical head control circuit for optical tape recording/reproducing...
- Patent number 5,239,528
- Issue date Aug 24, 1993
- Sony Corporation
- Tatsuya Narahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking control method and apparatus for an optical disc system
- Patent number 5,191,571
- Issue date Mar 2, 1993
- Sony Corporation
- Atsushi Fukumoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical pickup for discriminating between and reading different typ...
- Publication number 20010019520
- Publication date Sep 6, 2001
- Kamon Uemura
- G11 - INFORMATION STORAGE

Kiyoshi Ohsato

Person

Patents Grantslast 30 patents

Optical disc recording/reproduction apparatus and method

Optical head and recording/reproducing device

Focus controlling apparatus and method, and optical disc drive

Lens driving device, optical head and optical disc system

Optical pickup for discriminating between and reading different typ...

Optical recording medium and optical disk device

Optical disc recording/reproduction apparatus having a lens group,...

Optical pickup for discriminating between and reading different typ...

Optical pick-up device, optical recording/reproducing apparatus and...

Objective lens unit and recording/reproduction apparatus

Recording/reproducing apparatus and recording/reproducing method fo...

Objective lens having a doublet lens with high numerical aperture

Optical pickup and an optical pickup objective lense assembling method

Optical disc recording/reproduction apparatus and method

Optical recording medium recording and reproducing apparatus and op...

Apparatus for reproducing sound signals recorded on a motion pictur...

Lens designing method and objective lens apparatus with two lenses

Optical pickup device with a floating element

Optical pickup device for light collection onto an optical recordin...

optical pickup apparatus

Optical pick-up device

Disc playback apparatus with automatic disc changer

Rotary drum tape recording apparatus with controlling optical recor...

Optical disk pickup device with tilt compensation by electrostriction

Optical disk pickup device with focusing correction by electrostric...

Optical plate for correcting comatic aberration

Laser light generating apparatus

Optical pickup device for recordable disc and dichroic mirror

Optical head control circuit for optical tape recording/reproducing...

Tracking control method and apparatus for an optical disc system

Patents Applicationslast 30 patents

Optical pickup for discriminating between and reading different typ...