Kazumi Yoshioka

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing an optical information recording medium
- Patent number 5,989,654
- Issue date Nov 23, 1999
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Method of recording information
- Patent number 5,674,649
- Issue date Oct 7, 1997
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 5,665,520
- Issue date Sep 9, 1997
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- 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 recording medium and reflecting film for use therein
- Patent number 5,439,752
- Issue date Aug 8, 1995
- Matsushita Electric Industrial Co., Ltd.
- Kazumi Yoshioka
- 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
Optical information recording medium
- Patent number 5,191,565
- Issue date Mar 2, 1993
- Matsushita Electric Industrial Co., Ltd.
- Kazuo Inoue
- 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

Kazumi Yoshioka

Person

Patents Grantslast 30 patents

Method for manufacturing an optical information recording medium

Optical recording medium and production process for the medium

Optical recording medium

Method of recording information

Optical recording medium

Optical recording medium

Optical recording medium and reflecting film for use therein

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

Optical recording medium and production process for the medium

Optical information recording medium

Process for manufacturing an optical recording medium