Katsumi Kawahara

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical information recording medium, producing method thereof and...
- Patent number 7,037,413
- Issue date May 2, 2006
- Matsushita Electric Industrial Co., Ltd.
- Mayumi Otoba
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium and method for manufacturing the same
- Patent number 6,858,277
- Issue date Feb 22, 2005
- Matsushita Electric Industrial Co., Ltd.
- Noboru Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, producing method thereof and...
- Patent number 6,821,707
- Issue date Nov 23, 2004
- Matsushita Electric Industrial Co., Ltd.
- Mayumi Uno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium and method for initializing th...
- Patent number 6,807,142
- Issue date Oct 19, 2004
- Matsushita Electric Industrial Co., Ltd.
- Ken'ichi Nagata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, method for producing the same...
- Patent number 6,503,690
- Issue date Jan 7, 2003
- Matsushita Electric Industrial Co., Ltd.
- Mayumi Uno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium and method for producing the s...
- Patent number 6,268,034
- Issue date Jul 31, 2001
- Matsushita Electric Industrial Co., Ltd.
- Hideki Kitaura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, producing method thereof and...
- Patent number 6,153,063
- Issue date Nov 28, 2000
- Matsushita Electric Industrial Co., Ltd.
- Noboru Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for initializing optical recording medium
- Patent number 6,060,221
- Issue date May 9, 2000
- Matsushita Electric Industrial Co., Ltd.
- Shigeaki Furukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and production process for the medium
- Patent number RE36383
- Issue date Nov 9, 1999
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- 430 - Radiation imagery chemistry: process, composition, or product thereof
Information Patent Grant
Optical recording medium
- Patent number 5,753,334
- Issue date May 19, 1998
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Initialization process for a phase change recording medium with a z...
- Patent number 5,684,778
- Issue date Nov 4, 1997
- Matsushita Electric Industrial Co., Ltd.
- Noboru Yamada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical information recording medium
- Patent number 5,681,632
- Issue date Oct 28, 1997
- Matsushita Electric Industrial Co., Ltd.
- Hideki Kitaura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 5,587,216
- Issue date Dec 24, 1996
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium having protection layers with...
- Patent number 5,453,346
- Issue date Sep 26, 1995
- Matsushita Electric Industrial Co., Ltd.
- Katsumi Kawahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical record medium
- Patent number 5,395,669
- Issue date Mar 7, 1995
- Matsushita Electric Industrial Co., Ltd.
- Katsumi Kawahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of recording and erasing information in an erasible optical...
- Patent number 5,230,973
- Issue date Jul 27, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and production process for the medium
- Patent number 5,194,363
- Issue date Mar 16, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for manufacturing an optical recording medium
- Patent number 5,151,295
- Issue date Sep 29, 1992
- Matsushita Electric Industrial Co., Ltd.
- Katsumi Kawahara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Information recording medium and method for manufacturing the same
- Publication number 20050119123
- Publication date Jun 2, 2005
- Matsushita Electric Industrial Co., Ltd.
- Noboru Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium, producing method thereof and...
- Publication number 20050089799
- Publication date Apr 28, 2005
- Matsushita Electric Industrial Co., Ltd.
- Mayumi Otoba
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium and method for manufacturing the same
- Publication number 20050058941
- Publication date Mar 17, 2005
- Masushita Electric Industrial Co., Ltd.
- Noboru Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION RECORDING MEDIUM, PRODUCING METHOD THEREOF AND...
- Publication number 20010041304
- Publication date Nov 15, 2001
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- MAYUMI UNO
- G11 - INFORMATION STORAGE

Katsumi Kawahara

Person

Patents Grantslast 30 patents

Optical information recording medium, producing method thereof and...

Information recording medium and method for manufacturing the same

Optical information recording medium, producing method thereof and...

Optical information recording medium and method for initializing th...

Optical information recording medium, method for producing the same...

Optical information recording medium and method for producing the s...

Optical information recording medium, producing method thereof and...

Method and apparatus for initializing optical recording medium

Optical recording medium and production process for the medium

Optical recording medium

Initialization process for a phase change recording medium with a z...

Optical information recording medium

Optical recording medium

Optical information recording medium having protection layers with...

Optical record medium

Method of recording and erasing information in an erasible optical...

Optical recording medium and production process for the medium

Process for manufacturing an optical recording medium

Patents Applicationslast 30 patents

Information recording medium and method for manufacturing the same

Optical information recording medium, producing method thereof and...

Information recording medium and method for manufacturing the same

OPTICAL INFORMATION RECORDING MEDIUM, PRODUCING METHOD THEREOF AND...