Katsumi Kawamura

Person

Tokorozawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information recording apparatus, information recording method and i...
- Patent number 7,929,826
- Issue date Apr 19, 2011
- Pioneer Corporation
- Nobuo Haino
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing method of information regarding medium an...
- Patent number 7,599,259
- Issue date Oct 6, 2009
- Pioneer Corporation
- Masami Oishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing method of information recording medium an...
- Patent number 6,885,623
- Issue date Apr 26, 2005
- Pioneer Corporation
- Masami Oishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Tilt servo device in optical disc player
- Patent number 5,103,436
- Issue date Apr 7, 1992
- Pioneer Electronic Corporation
- Kazuo Yajika
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for leading-in focus servo by moving the objec...
- Patent number 5,060,215
- Issue date Oct 22, 1991
- Pioneer Electronic Corporation
- Katsumi Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Track transverse detection signal generating circuit
- Patent number 5,054,013
- Issue date Oct 1, 1991
- Pioneer Electronic Corporation
- Katsumi Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Pickup driving device for disk player
- Patent number 5,010,582
- Issue date Apr 23, 1991
- Pioneer Electronic Corporation
- Katsumi Kawamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo system in data reading apparatus
- Patent number 4,748,610
- Issue date May 31, 1988
- Pioneer Electronic Corporation
- Junichi Nakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus servo device of a system for reading out recorded information
- Patent number 4,637,005
- Issue date Jan 13, 1987
- Pioneer Electronic Corporation
- Ryuichi Naito
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Information recording apparatus, information recording method and i...
- Publication number 20060280464
- Publication date Dec 14, 2006
- PIONEER CORPORATION
- Nobuo Haino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording and reproducing method of information recording medium an...
- Publication number 20050185556
- Publication date Aug 25, 2005
- PIONEER CORPORATION
- Masami Oishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information recording apparatus, information recording method and i...
- Publication number 20020025140
- Publication date Feb 28, 2002
- PIONEER CORPORATION
- Nobuo Haino
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording apparatus, information recording method and i...
- Publication number 20020021890
- Publication date Feb 21, 2002
- PIONEER CORPORATION
- Nobuo Haino
- G11 - INFORMATION STORAGE

Katsumi Kawamura

Person

Patents Grantslast 30 patents

Information recording apparatus, information recording method and i...

Recording and reproducing method of information regarding medium an...

Recording and reproducing method of information recording medium an...

Tilt servo device in optical disc player

Method and apparatus for leading-in focus servo by moving the objec...

Track transverse detection signal generating circuit

Pickup driving device for disk player

Servo system in data reading apparatus

Focus servo device of a system for reading out recorded information

Patents Applicationslast 30 patents

Information recording apparatus, information recording method and i...

Recording and reproducing method of information recording medium an...

Information recording apparatus, information recording method and i...

Information recording apparatus, information recording method and i...