Yasufumi Takasugi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,266,065
- Issue date Sep 4, 2007
- TDK Corporation
- Yasufumi Takasugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,200,084
- Issue date Apr 3, 2007
- TDK Corporation
- Takashi Namioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,158,459
- Issue date Jan 2, 2007
- TDK Corporation
- Toshikazu Hosobuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for discriminating optical recording medium and method fo...
- Patent number 7,085,213
- Issue date Aug 1, 2006
- TDK Corporation
- Kazuo Fukunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Functional film having specific surface dispersion ratio
- Patent number 6,605,341
- Issue date Aug 12, 2003
- TDK Corporation
- Kiminori Tamai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Polyoxymethylene articles having printable surface method of impart...
- Patent number 5,837,744
- Issue date Nov 17, 1998
- TDK Corporation
- Naoyuki Nagashima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Magnetic recording medium
- Patent number 5,698,286
- Issue date Dec 16, 1997
- TDK Corporation
- Tsunehiko Ikarashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,443,913
- Issue date Aug 22, 1995
- TDK Corporation
- Masahide Kohno
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,892,789
- Issue date Jan 9, 1990
- TDK Corporation
- Masatoshi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,844,978
- Issue date Jul 4, 1989
- TDK Corporation
- Masatoshi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,824,724
- Issue date Apr 25, 1989
- TDK Corporation
- Kunihiro Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and preparation
- Patent number 4,759,954
- Issue date Jul 26, 1988
- TDK Corporation
- Yuichi Kubota
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,749,608
- Issue date Jun 7, 1988
- TDK Corporation
- Masatoshi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,621,008
- Issue date Nov 4, 1986
- TDK Corporation
- Yasufumi Takasugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,592,948
- Issue date Jun 3, 1986
- TDK Corporation
- Osamu Kohmoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,537,832
- Issue date Aug 27, 1985
- TDK Corporation
- Osamu Kohmoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Device for discriminating optical recording medium and method for d...
- Publication number 20050237913
- Publication date Oct 27, 2005
- TDK Corporation
- Yasufumi Takasugi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium identifying device and optical recording m...
- Publication number 20050169141
- Publication date Aug 4, 2005
- TDK CORPORATION
- Takashi Namioka
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium judgment device and optical recording medi...
- Publication number 20050157621
- Publication date Jul 21, 2005
- TDK Corporation
- Toshikazu Hosobuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium judgment device and optical recording medi...
- Publication number 20050152249
- Publication date Jul 14, 2005
- TDK Corporation
- Kazuo Fukunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Substrate for optical disk provided with hard-coating layer and met...
- Publication number 20050017384
- Publication date Jan 27, 2005
- Kiminori Tamai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method of recording data, recording medium and recording device
- Publication number 20040042363
- Publication date Mar 4, 2004
- Nobuyuki Kobayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital recording/reproducing apparatus
- Publication number 20040028384
- Publication date Feb 12, 2004
- Ken Fujii
- G11 - INFORMATION STORAGE
Information Patent Application
Functional film
- Publication number 20020051879
- Publication date May 2, 2002
- TDK Corporation
- Kiminori Tamai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Yasufumi Takasugi

Person

Patents Grantslast 30 patents

Apparatus for discriminating optical recording medium and method fo...

Apparatus for discriminating optical recording medium and method fo...

Apparatus for discriminating optical recording medium and method fo...

Apparatus for discriminating optical recording medium and method fo...

Functional film having specific surface dispersion ratio

Polyoxymethylene articles having printable surface method of impart...

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium and preparation

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Patents Applicationslast 30 patents

Device for discriminating optical recording medium and method for d...

Optical recording medium identifying device and optical recording m...

Optical recording medium judgment device and optical recording medi...

Optical recording medium judgment device and optical recording medi...

Substrate for optical disk provided with hard-coating layer and met...

Method of recording data, recording medium and recording device

Digital recording/reproducing apparatus

Functional film