Toshiki Udagawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recorder and laser power control method
- Patent number 7,113,468
- Issue date Sep 26, 2006
- Sony Corporation
- Toshiki Udagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recorder and laser power control method
- Patent number 6,967,914
- Issue date Nov 22, 2005
- Sony Corporation
- Toshiki Udagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical medium and recording and/or reproducing apparatus t...
- Patent number 5,579,294
- Issue date Nov 26, 1996
- Sony Corporation
- Masumi Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording apparatus
- Patent number 5,513,167
- Issue date Apr 30, 1996
- Sony Corporation
- Toshiki Udagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 5,432,774
- Issue date Jul 11, 1995
- Sony Corporation
- Atsushi Fukumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for reproducing signals recorded on optical recording medium
- Patent number 5,390,162
- Issue date Feb 14, 1995
- Sony Corporation
- Atsushi Fukumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 5,380,573
- Issue date Jan 10, 1995
- Sony Corporation
- Atsushi Fukumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording sector control information on magneto-optical...
- Patent number 5,371,722
- Issue date Dec 6, 1994
- Sony Corporation
- Shunji Yoshimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for reproducing information recorded on a magneto-optical re...
- Patent number 5,367,509
- Issue date Nov 22, 1994
- Sony Corporation
- Atsushi Fukumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Positional detection of a magneto-optic recording medium for contro...
- Patent number 5,335,213
- Issue date Aug 2, 1994
- Sony Corporation
- Atsushi Fukumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Temperature detection of a magneto-optic recording medium for contr...
- Patent number 5,329,512
- Issue date Jul 12, 1994
- Sony Corporation
- Atsushi Fukimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic recording method and magneto-optic recording/reproduc...
- Patent number 5,208,799
- Issue date May 4, 1993
- Sony Corporation
- Isamu Nakao
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and/or reproducing apparatus
- Patent number 5,168,487
- Issue date Dec 1, 1992
- Sony Corporation
- Kiyoshi Ohsato
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical recorder and laser power control method
- Publication number 20040013065
- Publication date Jan 22, 2004
- Toshiki Udagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recorder and laser power control method
- Publication number 20040013064
- Publication date Jan 22, 2004
- Toshiki Udagawa
- G11 - INFORMATION STORAGE

Toshiki Udagawa

Person

Patents Grantslast 30 patents

Optical recorder and laser power control method

Optical recorder and laser power control method

Magneto-optical medium and recording and/or reproducing apparatus t...

Optical recording apparatus

Optical recording medium

Method for reproducing signals recorded on optical recording medium

Optical recording medium

Method for recording sector control information on magneto-optical...

Method for reproducing information recorded on a magneto-optical re...

Positional detection of a magneto-optic recording medium for contro...

Temperature detection of a magneto-optic recording medium for contr...

Magneto-optic recording method and magneto-optic recording/reproduc...

Optical recording and/or reproducing apparatus

Patents Applicationslast 30 patents

Optical recorder and laser power control method

Optical recorder and laser power control method