Kazuo Okada

Person

Amagasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical head
- Patent number 5,313,447
- Issue date May 17, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Nobuo Takeshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Wavelength selective optical recording and reproducing method
- Patent number 5,231,626
- Issue date Jul 27, 1993
- Mitsubishi Denki K.K.
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head for optical information recording/reproducing apparatus
- Patent number 5,107,409
- Issue date Apr 21, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and/or reproducing apparatus having a temperature...
- Patent number 5,051,975
- Issue date Sep 24, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording and reproducing apparatus including a multi...
- Patent number 5,025,430
- Issue date Jun 18, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Takokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic information-carrying medium including three magnetic...
- Patent number 5,016,232
- Issue date May 14, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Focusing error detecting apparatus with light switching and detecto...
- Patent number 5,004,900
- Issue date Apr 2, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Masatomo Seya
- G02 - OPTICS
Information Patent Grant
Optical head including a collimator having lenses of different foca...
- Patent number 4,965,785
- Issue date Oct 23, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data storage system with wavelength selective laminate
- Patent number 4,962,479
- Issue date Oct 9, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Imai
- G11 - INFORMATION STORAGE
Information Patent Grant
Wavelength selective optical recording and reproducing device
- Patent number 4,956,812
- Issue date Sep 11, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Masatomo Seya
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for regenerating information from records made by optical...
- Patent number 4,956,813
- Issue date Sep 11, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Masatomo Seya
- G11 - INFORMATION STORAGE
Information Patent Grant
Information-carrying medium equipment for magneto-optic reading and...
- Patent number 4,908,809
- Issue date Mar 13, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical reading or writing apparatus
- Patent number 4,881,204
- Issue date Nov 14, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Wavelength selective optical data storage system
- Patent number 4,876,666
- Issue date Oct 24, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Hitoshi Imai
- G11 - INFORMATION STORAGE
Information Patent Grant
Wavelength selective optical data storage system
- Patent number 4,868,787
- Issue date Sep 19, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Kazuo Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Wavelength selective optical data storage system
- Patent number 4,868,807
- Issue date Sep 19, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Kazuo Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus detecting apparatus utilizing reflecting surface having varia...
- Patent number 4,862,442
- Issue date Aug 29, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Michihiro Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical signal reading device
- Patent number 4,730,899
- Issue date Mar 15, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Kenjiro Kime
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic focusing device
- Patent number 4,625,303
- Issue date Nov 25, 1986
- Mitsubishi Denki Kabushiki Kaisha
- Shinsuke Shikama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc signal reproducing system with tilt immunization
- Patent number 4,502,134
- Issue date Feb 26, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Mitsushige Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information reproducing apparatus
- Patent number 4,482,987
- Issue date Nov 13, 1984
- Mitsubishi Denki Kabushiki Kaisha
- Kazuo Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic focusing apparatus
- Patent number 4,363,961
- Issue date Dec 14, 1982
- Mitsubishi Denki Kabushiki Kaisha
- Kazuo Okada
- G02 - OPTICS
Information Patent Grant
Optically reproducing and tracking system for spiral information track
- Patent number 4,305,144
- Issue date Dec 8, 1981
- Mitsubishi Denki Kabushiki Kaisha
- Kazuo Okada
- G11 - INFORMATION STORAGE

Kazuo Okada

Person

Patents Grantslast 30 patents

Optical head

Wavelength selective optical recording and reproducing method

Optical head for optical information recording/reproducing apparatus

Optical recording and/or reproducing apparatus having a temperature...

Magneto-optic recording and reproducing apparatus including a multi...

Magneto-optic information-carrying medium including three magnetic...

Focusing error detecting apparatus with light switching and detecto...

Optical head including a collimator having lenses of different foca...

Optical data storage system with wavelength selective laminate

Wavelength selective optical recording and reproducing device

Apparatus for regenerating information from records made by optical...

Information-carrying medium equipment for magneto-optic reading and...

Optical reading or writing apparatus

Wavelength selective optical data storage system

Wavelength selective optical data storage system

Wavelength selective optical data storage system

Focus detecting apparatus utilizing reflecting surface having varia...

Optical signal reading device

Automatic focusing device

Optical disc signal reproducing system with tilt immunization

Optical information reproducing apparatus

Automatic focusing apparatus

Optically reproducing and tracking system for spiral information track