Fumihiko Sano

Person

Tokorozawa-City, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup device, and information recording and reproduction d...
- Patent number 7,623,435
- Issue date Nov 24, 2009
- Pioneer Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser light intensity controller
- Patent number 6,731,662
- Issue date May 4, 2004
- Pioneer Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser light intensity controller
- Patent number 6,697,398
- Issue date Feb 24, 2004
- Pioneer Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording and reproducing apparatus
- Patent number 6,075,759
- Issue date Jun 13, 2000
- Pioneer Electronic Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head
- Patent number 5,982,733
- Issue date Nov 9, 1999
- Pioneer Electronic Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical card recording apparatus employing an initializatio...
- Patent number 5,894,460
- Issue date Apr 13, 1999
- Pioneer Electronic Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary optical system for guiding and converging divided light beam...
- Patent number 5,673,245
- Issue date Sep 30, 1997
- Pioneer Electronic Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 5,555,538
- Issue date Sep 10, 1996
- Pioneer Electronic Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical Pickup Device, and Information Recording and Reproduction D...
- Publication number 20070247997
- Publication date Oct 25, 2007
- Pioneer Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Laser light intensity controller
- Publication number 20020044576
- Publication date Apr 18, 2002
- PIONEER CORPORATION
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Laser light intensity controller
- Publication number 20020044577
- Publication date Apr 18, 2002
- PIONEER CORPORATION
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE

Fumihiko Sano

Person

Patents Grantslast 30 patents

Optical pickup device, and information recording and reproduction d...

Laser light intensity controller

Laser light intensity controller

Optical information recording and reproducing apparatus

Optical head

Magneto-optical card recording apparatus employing an initializatio...

Rotary optical system for guiding and converging divided light beam...

Optical pickup

Patents Applicationslast 30 patents

Optical Pickup Device, and Information Recording and Reproduction D...

Laser light intensity controller

Laser light intensity controller