Masahiko Tanaka

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Layer discriminating focus control apparatus, optical disk apparatu...
- Patent number 7,274,630
- Issue date Sep 25, 2007
- Kabushiki Kaisha Toshiba
- Sumitaka Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head apparatus for reproducing information from an optical...
- Patent number 6,418,098
- Issue date Jul 9, 2002
- Kabushiki Kaisha Toshiba
- Yuichiro Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus based on tracki...
- Patent number 6,373,797
- Issue date Apr 16, 2002
- Kabushiki Kaisha Toshiba
- Masahiko Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing apparatus based on tracki...
- Patent number 6,167,006
- Issue date Dec 26, 2000
- Kabushiki Kaisha Toshiba
- Masahiko Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Light beam shaping device to change an anisotropic beam to an isotr...
- Patent number 6,154,433
- Issue date Nov 28, 2000
- Kabushiki Kaisha Toshiba
- Isao Hoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus for recording and reproducing data onto and...
- Patent number 5,835,459
- Issue date Nov 10, 1998
- Kabushiki Kaisha Toshiba
- Tamane Takahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for recording information on a primary optical disk to ma...
- Patent number 5,740,138
- Issue date Apr 14, 1998
- Kabushiki Kaisha Toshiba
- Isao Hoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reproducing apparatus
- Patent number 5,661,711
- Issue date Aug 26, 1997
- Kabushiki Kaisha Toshiba
- Masahiko Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Light beam shaping device to change an anisotropic beam to an isotr...
- Patent number 5,615,200
- Issue date Mar 25, 1997
- Kabushiki Kaisha Toshiba
- Isao Hoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reproducing apparatus
- Patent number 5,513,164
- Issue date Apr 30, 1996
- Kabushiki Kaisha Toshiba
- Masahiko Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Noise reduction system for optical record and reproduction apparatu...
- Patent number 5,475,210
- Issue date Dec 12, 1995
- Kabushiki Kaisha Toshiba
- Toyoki Taguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system for preserving a state of polarization of light beam
- Patent number 5,202,789
- Issue date Apr 13, 1993
- Kabushiki Kaisha Toshiba
- Masahiko Tanaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
AUTOMOTIVE DISPLAY APPARATUS
- Publication number 20120069446
- Publication date Mar 22, 2012
- Kabushiki Kaisha Toshiba
- Masakatsu KINOSHITA
- G02 - OPTICS
Information Patent Application
Optical disk and optical disk apparatus
- Publication number 20050018582
- Publication date Jan 27, 2005
- Masahiko Tanaka
- G11 - INFORMATION STORAGE
Information Patent Application
Focus control apparatus, optical disk apparatus, and methods therefor
- Publication number 20030179662
- Publication date Sep 25, 2003
- Kabushiki Kaisha Toshiba
- Sumitaka Maruyama
- G11 - INFORMATION STORAGE

Masahiko Tanaka

Person

Patents Grantslast 30 patents

Layer discriminating focus control apparatus, optical disk apparatu...

Optical head apparatus for reproducing information from an optical...

Optical information recording/reproducing apparatus based on tracki...

Optical information recording/reproducing apparatus based on tracki...

Light beam shaping device to change an anisotropic beam to an isotr...

Optical disc apparatus for recording and reproducing data onto and...

Apparatus for recording information on a primary optical disk to ma...

Optical recording and reproducing apparatus

Light beam shaping device to change an anisotropic beam to an isotr...

Optical recording and reproducing apparatus

Noise reduction system for optical record and reproduction apparatu...

Optical system for preserving a state of polarization of light beam

Patents Applicationslast 30 patents

AUTOMOTIVE DISPLAY APPARATUS

Optical disk and optical disk apparatus

Focus control apparatus, optical disk apparatus, and methods therefor