Tadashi Yasunaga

Person

Odawara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Amplitude servo pattern, magnetic recording medium and the manufact...
- Patent number 7,522,362
- Issue date Apr 21, 2009
- FUJIFILM Corporation
- Takashi Komine
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier for magnetic transfer
- Patent number 7,477,463
- Issue date Jan 13, 2009
- FUJIFILM Corporation
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier for magnetic transfer and its production...
- Patent number 7,465,383
- Issue date Dec 16, 2008
- FUJIFILM Corporation
- Kazuhiro Niitsuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing method of magnetic recording medium and magnetic...
- Patent number 7,365,926
- Issue date Apr 29, 2008
- FUJIFILM Corporation
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and drive apparatus therefor
- Patent number 7,359,133
- Issue date Apr 15, 2008
- FUJIFILM Corporation
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Patterned master carrier for magnetic transfer, manufacturing metho...
- Patent number 7,193,796
- Issue date Mar 20, 2007
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of magnetic transfer to flexible medium
- Patent number 7,187,510
- Issue date Mar 6, 2007
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Master carrier for magnetic transfer
- Patent number 7,149,042
- Issue date Dec 12, 2006
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier for magnetic transfer and magnetic trans...
- Patent number 7,094,481
- Issue date Aug 22, 2006
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic transfer method for a high-density magnetic recording medium
- Patent number 7,054,082
- Issue date May 30, 2006
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Master carrier for magnetic transfer
- Patent number 6,950,252
- Issue date Sep 27, 2005
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier for magnetic transfer
- Patent number 6,911,270
- Issue date Jun 28, 2005
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Master carrier for magnetic transfer
- Patent number 6,909,563
- Issue date Jun 21, 2005
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic transfer method for a high-density magnetic recording medium
- Patent number 6,906,877
- Issue date Jun 14, 2005
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier for magnetic transfer
- Patent number 6,887,593
- Issue date May 3, 2005
- Fuji Photo Film Co., Ltd.
- Ryuji Sugita
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier for magnetic transfer and magnetic trans...
- Patent number 6,816,327
- Issue date Nov 9, 2004
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a cobalt thin film magnetic layer,...
- Patent number 5,567,524
- Issue date Oct 22, 1996
- Fuji Photo Film Co., Ltd.
- Toshio Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a ferromagnetic metal thin film up...
- Patent number 5,560,995
- Issue date Oct 1, 1996
- Fuji Photo Film Co., Ltd.
- Kazuyuki Usuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a lubricant comprising a phosphori...
- Patent number 5,556,707
- Issue date Sep 17, 1996
- Fuji Photo Film Co., Ltd.
- Kazuyuki Usuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,503,943
- Issue date Apr 2, 1996
- Fuji Photo Film Co., Ltd.
- Kunihiko Sano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a protective layer containing a te...
- Patent number 5,492,764
- Issue date Feb 20, 1996
- Fuji Photo Film Co., Ltd.
- Tsutomu Okita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and process for producing the same
- Patent number 5,489,480
- Issue date Feb 6, 1996
- Fuji Photo Film Co., Ltd.
- Kazuyuki Usuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,405,689
- Issue date Apr 11, 1995
- Fuji Photo Film Co., Ltd.
- Kazuyuki Usuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for preparing a magnetic recording medium
- Patent number 5,334,413
- Issue date Aug 2, 1994
- Fuji Photo Film Co., Ltd.
- Toshio Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,322,733
- Issue date Jun 21, 1994
- Fuji Photo Film Co., Ltd.
- Hiroaki Doushita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatus for manufacturing magnetic recording medium
- Patent number 5,123,376
- Issue date Jun 23, 1992
- Fuji Photo Film Co., Ltd.
- Shiro Kaneko
- G11 - INFORMATION STORAGE
Information Patent Grant
Vacuum evaporation method and apparatus
- Patent number 5,122,389
- Issue date Jun 16, 1992
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 5,114,778
- Issue date May 19, 1992
- Fuji Photo Film Co., Ltd.
- Akio Yanai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 5,112,669
- Issue date May 12, 1992
- Fuji Photo Film Co., Ltd.
- Kenichi Yoden
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of winding up a magnetic recording medium
- Patent number 5,069,932
- Issue date Dec 3, 1991
- Fuji Photo Film Co., Ltd.
- Junji Nakada
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM
- Publication number 20090039560
- Publication date Feb 12, 2009
- FUJIFILM CORPORATION
- Masakazu NISHIKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING...
- Publication number 20090002886
- Publication date Jan 1, 2009
- FUJIFILM CORPORATION
- Masakazu NISHIKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING...
- Publication number 20080316649
- Publication date Dec 25, 2008
- FUJIFILM CORPORATION
- Masakazu NISHIKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MAGNETIC TRANSFER AND MAGNETIC RECORDING MEDIUM
- Publication number 20080239533
- Publication date Oct 2, 2008
- FUJIFILM CORPORATION
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Application
MASTER RECORDING MEDIUM, MAGNETIC TRANSFER METHOD, MAGNETIC TRANSFE...
- Publication number 20080062548
- Publication date Mar 13, 2008
- FUJIFILM CORPORATION
- Naoto Fujiwara
- G11 - INFORMATION STORAGE
Information Patent Application
Master medium for perpendicular magnetic transfer, method of perpen...
- Publication number 20070217047
- Publication date Sep 20, 2007
- FUJIFILM CORPORATION
- Kenji Ichikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Patterned master carrier for magnetic transfer, magnetic recording...
- Publication number 20060082913
- Publication date Apr 20, 2006
- Fuji Photo Film Co., Ltd.
- Kazuhiro Niitsuma
- G11 - INFORMATION STORAGE
Information Patent Application
Signal processing method of magnetic recording medium and magnetic...
- Publication number 20060061897
- Publication date Mar 23, 2006
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Application
Amplitude servo pattern, magnetic recording medium and the manufact...
- Publication number 20060007569
- Publication date Jan 12, 2006
- Fuji Photo Film Co., Ltd.
- Takashi Komine
- G11 - INFORMATION STORAGE
Information Patent Application
Process for producing magnetic recording medium with limited coerci...
- Publication number 20050277000
- Publication date Dec 15, 2005
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium, method of producing the magnetic recordi...
- Publication number 20050213235
- Publication date Sep 29, 2005
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier for magnetic transfer and its production...
- Publication number 20050181133
- Publication date Aug 18, 2005
- Fuji Photo Film Co., Ltd.
- Kazuhiro Niitsuma
- G11 - INFORMATION STORAGE
Information Patent Application
Master carrier for magnetic transfer
- Publication number 20050111124
- Publication date May 26, 2005
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Patterned master carrier for magnetic transfer, manufacturing metho...
- Publication number 20040264024
- Publication date Dec 30, 2004
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier for magnetic transfer and its production...
- Publication number 20040180174
- Publication date Sep 16, 2004
- Fuji Photo Film Co., Ltd.
- Kazuhiro Niitsuma
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier for magnetic transfer
- Publication number 20040156135
- Publication date Aug 12, 2004
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier for magnetic transfer
- Publication number 20040081856
- Publication date Apr 29, 2004
- Fuji Photo Film Co., Ltd.
- Ryuji Sugita
- G11 - INFORMATION STORAGE
Information Patent Application
Method of magnetic transfer to flexible medium
- Publication number 20030117735
- Publication date Jun 26, 2003
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier for magnetic transfer
- Publication number 20030113583
- Publication date Jun 19, 2003
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier for magnetic transfer and magnetic trans...
- Publication number 20030099867
- Publication date May 29, 2003
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Master carrier for magnetic transfer
- Publication number 20030063403
- Publication date Apr 3, 2003
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Master carrier for magnetic transfer
- Publication number 20030011912
- Publication date Jan 16, 2003
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic recording medium and drive apparatus therefor
- Publication number 20020191317
- Publication date Dec 19, 2002
- Fuji Photo Film Co., Ltd.
- Tadashi Yasunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic transfer method for a high-density magnetic recording medium
- Publication number 20020186487
- Publication date Dec 12, 2002
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic transfer method for a high-density magnetic recording medium
- Publication number 20020186488
- Publication date Dec 12, 2002
- Fuji Photo Film Co., Ltd.
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE

Tadashi Yasunaga

Person

Patents Grantslast 30 patents

Amplitude servo pattern, magnetic recording medium and the manufact...

Master information carrier for magnetic transfer

Master information carrier for magnetic transfer and its production...

Signal processing method of magnetic recording medium and magnetic...

Magnetic recording medium and drive apparatus therefor

Patterned master carrier for magnetic transfer, manufacturing metho...

Method of magnetic transfer to flexible medium

Master carrier for magnetic transfer

Master information carrier for magnetic transfer and magnetic trans...

Magnetic transfer method for a high-density magnetic recording medium

Master carrier for magnetic transfer

Master information carrier for magnetic transfer

Master carrier for magnetic transfer

Magnetic transfer method for a high-density magnetic recording medium

Master information carrier for magnetic transfer

Master information carrier for magnetic transfer and magnetic trans...

Magnetic recording medium having a cobalt thin film magnetic layer,...

Magnetic recording medium having a ferromagnetic metal thin film up...

Magnetic recording medium having a lubricant comprising a phosphori...

Magnetic recording medium

Magnetic recording medium having a protective layer containing a te...

Magnetic recording medium and process for producing the same

Magnetic recording medium

Method for preparing a magnetic recording medium

Magnetic recording medium

Apparatus for manufacturing magnetic recording medium

Vacuum evaporation method and apparatus

Magnetic recording medium

Magnetic recording medium

Method of winding up a magnetic recording medium

Patents Applicationslast 30 patents

APPARATUS AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM

METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING...

METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING...

METHOD OF MAGNETIC TRANSFER AND MAGNETIC RECORDING MEDIUM

MASTER RECORDING MEDIUM, MAGNETIC TRANSFER METHOD, MAGNETIC TRANSFE...

Master medium for perpendicular magnetic transfer, method of perpen...

Patterned master carrier for magnetic transfer, magnetic recording...

Signal processing method of magnetic recording medium and magnetic...

Amplitude servo pattern, magnetic recording medium and the manufact...

Process for producing magnetic recording medium with limited coerci...

Magnetic recording medium, method of producing the magnetic recordi...

Master information carrier for magnetic transfer and its production...

Master carrier for magnetic transfer

Patterned master carrier for magnetic transfer, manufacturing metho...

Master information carrier for magnetic transfer and its production...

Master information carrier for magnetic transfer

Master information carrier for magnetic transfer

Method of magnetic transfer to flexible medium

Master information carrier for magnetic transfer

Master information carrier for magnetic transfer and magnetic trans...

Master carrier for magnetic transfer

Master carrier for magnetic transfer

Magnetic recording medium and drive apparatus therefor

Magnetic transfer method for a high-density magnetic recording medium

Magnetic transfer method for a high-density magnetic recording medium