Ryuji Sugita

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic transfer master carrier, magnetic transfer method, and mag...
- Patent number 7,982,984
- Issue date Jul 19, 2011
- FUJIFILM Corporation
- Yoichi Nishida
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic transfer master carrier and magnetic transfer method
- Patent number 7,974,028
- Issue date Jul 5, 2011
- FUJIFILM Corporation
- Yoichi Nishida
- B82 - NANO-TECHNOLOGY
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, method for producing the carrier, metho...
- Patent number 6,961,196
- Issue date Nov 1, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- 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, method for producing the carrier, metho...
- Patent number 6,606,208
- Issue date Aug 12, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier, method for producing the carrier, metho...
- Patent number 6,606,209
- Issue date Aug 12, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier, method for producing the carrier, metho...
- Patent number 6,590,727
- Issue date Jul 8, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier, method for producing the carrier, and m...
- Patent number 6,587,290
- Issue date Jul 1, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier, method for producing the carrier, metho...
- Patent number 6,567,227
- Issue date May 20, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Master carrier for magnetic transfer and method for transfer
- Patent number 6,433,944
- Issue date Aug 13, 2002
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Grant
Master information carrier, process for producing the carrier, and...
- Patent number 6,347,016
- Issue date Feb 12, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus
- Patent number 6,088,178
- Issue date Jul 11, 2000
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus having ring-type magne...
- Patent number 5,912,783
- Issue date Jun 15, 1999
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproduction apparatus ring-type magnetic he...
- Patent number 5,901,012
- Issue date May 4, 1999
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating a thin-film magnetic recording medium and thi...
- Patent number 5,851,660
- Issue date Dec 22, 1998
- Matsushita Electric Industrial Co., Ltd.
- Kiyokazu Tohma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media fabrication method
- Patent number 5,691,008
- Issue date Nov 25, 1997
- Matsushita Electric Industrial Co., Ltd.
- Kiyokazu Thoma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media, magnetic recording media fabrication meth...
- Patent number 5,679,166
- Issue date Oct 21, 1997
- Matsushita Electric Industrial Co., Ltd.
- Kiyokazu Thoma
- G11 - INFORMATION STORAGE
Information Patent Grant
Continuous fabrication of thin film magnetic recording medium with...
- Patent number 5,679,410
- Issue date Oct 21, 1997
- Matsushita Electric Industrial Co., Ltd.
- Ryuji Sugita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 5,665,460
- Issue date Sep 9, 1997
- Matsushita Electric Industrial Co., Ltd.
- Ryuji Sugita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a ferromagnetic thin film in which...
- Patent number 5,569,523
- Issue date Oct 29, 1996
- Matsushita Electric Industrial Co., Ltd.
- Kiyokazu Thoma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for producing the same
- Patent number 5,554,440
- Issue date Sep 10, 1996
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of magnetic recording medium
- Patent number 5,549,936
- Issue date Aug 27, 1996
- Matsushita Electric Industrial Co., Ltd.
- Kiyokazu Tohma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for producing the same
- Patent number 5,534,324
- Issue date Jul 9, 1996
- Matsushita Electric Industrial Co., Ltd.
- Ryuji Sugita
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for producing magnetic recording medium
- Patent number 5,472,506
- Issue date Dec 5, 1995
- Matsushita Electric Industrial Co., Ltd.
- Kiyokazu Tohma
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing magnetic recording medium
- Patent number 5,458,914
- Issue date Oct 17, 1995
- Matsushita Electric Industrial Co., Ltd.
- Kiyokazu Tohma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium comprising specific backcoat layer
- Patent number 5,433,999
- Issue date Jul 18, 1995
- Matsushita Electric Industrial Co., Ltd.
- Yoshiki Goto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for producing the same
- Patent number 5,427,869
- Issue date Jun 27, 1995
- Matsushita Electric Industrial Co., Ltd.
- Ryuji Sugita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for producing the same
- Patent number 5,418,059
- Issue date May 23, 1995
- Matsushita Electric Industrial Co., Ltd.
- Ryuji Sugita
- G11 - INFORMATION STORAGE
Information Patent Grant
Production of magnetic recording medium
- Patent number 5,298,282
- Issue date Mar 29, 1994
- Matsushita Electric Industrial Co., Ltd.
- Ryuji Sugita
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRA...
- Publication number 20100079892
- Publication date Apr 1, 2010
- FUJIFILM CORPORATION
- HIDEYUKI KUBOTA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD, AND MAG...
- Publication number 20090303627
- Publication date Dec 10, 2009
- FUJIFILM CORPORATION
- Yoichi NISHIDA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD, AND MAG...
- Publication number 20090251814
- Publication date Oct 8, 2009
- Yoichi Nishida
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TRANSFER MASTER CARRIER AND MAGNETIC TRANSFER METHOD
- Publication number 20090244748
- Publication date Oct 1, 2009
- FUJIFILM CORPORATION
- Yoichi Nishida
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TRANSFER MASTER CARRIER AND METHOD FOR PRODUCING THE SAME
- Publication number 20090244747
- Publication date Oct 1, 2009
- FUJIFILM CORPORATION
- Masakazu Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Application
MASTER CARRIER FOR MAGNETIC TRANSFER AND MAGNETIC RECORDING MEDIUM...
- Publication number 20090128958
- Publication date May 21, 2009
- Fuji Photo Film Co., Ltd.
- Yoichi NISHIDA
- G11 - INFORMATION STORAGE
Information Patent Application
MASTER CARRIER FOR MAGNETIC TRANSFER, MAGNETIC TRANSFER METHOD AND...
- Publication number 20090073593
- Publication date Mar 19, 2009
- FUJIFILM CORPORATION
- Naoto FUJIWARA
- 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
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
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
Master carrier for magnetic transfer
- Publication number 20040038077
- Publication date Feb 26, 2004
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier, method for producing the carrier, metho...
- Publication number 20030184896
- Publication date Oct 2, 2003
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier, process for producing the carrier, and...
- Publication number 20020101669
- Publication date Aug 1, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier, process for producing the carrier, and...
- Publication number 20020101670
- Publication date Aug 1, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier, process for producing the carrier, and...
- Publication number 20020089768
- Publication date Jul 11, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier, processfor producing the carrier, and m...
- Publication number 20020089769
- Publication date Jul 11, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE
Information Patent Application
Master information carrier, method for producing the carrier, metho...
- Publication number 20020075583
- Publication date Jun 20, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tatsuaki Ishida
- G11 - INFORMATION STORAGE

Ryuji Sugita

Person

Patents Grantslast 30 patents

Magnetic transfer master carrier, magnetic transfer method, and mag...

Magnetic transfer master carrier and magnetic transfer method

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

Master information carrier, method for producing the carrier, metho...

Master information carrier for magnetic transfer

Master information carrier, method for producing the carrier, metho...

Master information carrier, method for producing the carrier, metho...

Master information carrier, method for producing the carrier, metho...

Master information carrier, method for producing the carrier, and m...

Master information carrier, method for producing the carrier, metho...

Master carrier for magnetic transfer and method for transfer

Master information carrier, process for producing the carrier, and...

Magnetic recording and reproducing apparatus

Magnetic recording and reproducing apparatus having ring-type magne...

Magnetic recording and reproduction apparatus ring-type magnetic he...

Method of fabricating a thin-film magnetic recording medium and thi...

Magnetic recording media fabrication method

Magnetic recording media, magnetic recording media fabrication meth...

Continuous fabrication of thin film magnetic recording medium with...

Magnetic recording medium

Magnetic recording medium having a ferromagnetic thin film in which...

Magnetic recording medium and method for producing the same

Manufacturing method of magnetic recording medium

Magnetic recording medium and method for producing the same

Method and apparatus for producing magnetic recording medium

Method for producing magnetic recording medium

Magnetic recording medium comprising specific backcoat layer

Magnetic recording medium and method for producing the same

Magnetic recording medium and method for producing the same

Production of magnetic recording medium

Patents Applicationslast 30 patents

METHOD FOR PRODUCING MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRA...

MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD, AND MAG...

MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD, AND MAG...

MAGNETIC TRANSFER MASTER CARRIER AND MAGNETIC TRANSFER METHOD

MAGNETIC TRANSFER MASTER CARRIER AND METHOD FOR PRODUCING THE SAME

MASTER CARRIER FOR MAGNETIC TRANSFER AND MAGNETIC RECORDING MEDIUM...

MASTER CARRIER FOR MAGNETIC TRANSFER, MAGNETIC TRANSFER METHOD AND...

METHOD OF MAGNETIC TRANSFER AND MAGNETIC RECORDING MEDIUM

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

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

Master information carrier for magnetic transfer

Master carrier for magnetic transfer

Master information carrier, method for producing the carrier, metho...

Master information carrier, process for producing the carrier, and...

Master information carrier, process for producing the carrier, and...

Master information carrier, process for producing the carrier, and...

Master information carrier, processfor producing the carrier, and m...

Master information carrier, method for producing the carrier, metho...