Hiroshi Tomiyasu

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk and method of manufacturing the same
- Patent number 8,257,783
- Issue date Sep 4, 2012
- WD Media (Singapore) Pte. Ltd.
- Kota Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk
- Patent number 7,833,641
- Issue date Nov 16, 2010
- WD Media (Singapore) Pte. Ltd.
- Hiroshi Tomiyasu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Magnetic recording medium, and thermal stability measuring method a...
- Patent number 7,420,886
- Issue date Sep 2, 2008
- Hoya Corporation
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Grant
Management technique of friction coefficient based on surface rough...
- Patent number 7,220,446
- Issue date May 22, 2007
- Hoya Corporation
- Tomotaka Yokoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, and thermal stability measuring method a...
- Patent number 7,220,500
- Issue date May 22, 2007
- Hoya Corporation
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium with multi-portion carbon-based protectio...
- Patent number 7,208,236
- Issue date Apr 24, 2007
- Hoya Corporation
- Takashi Morikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 6,946,191
- Issue date Sep 20, 2005
- Hoya Corporation
- Takashi Morikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk using a glass substrate
- Patent number 6,916,558
- Issue date Jul 12, 2005
- Hoya Corporation
- Teiichiro Umezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for an information recording medium, information recordin...
- Patent number 6,852,010
- Issue date Feb 8, 2005
- Hoya Corporation
- Kouji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for information recording medium, information recording m...
- Patent number 6,790,509
- Issue date Sep 14, 2004
- Hoya Corporation
- Tomotaka Yokoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Antiferromagnetically coupled magnetic recording medium with dual-l...
- Patent number 6,759,138
- Issue date Jul 6, 2004
- Hoya Corporation
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Grant
Management technique of friction coefficient based on surface rough...
- Patent number 6,706,427
- Issue date Mar 16, 2004
- Hoya Corporation
- Tomotaka Yokoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and manufacturing method therefor
- Patent number 6,670,055
- Issue date Dec 30, 2003
- Hoya Corporation
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrate for an information recording medium, information recordin...
- Patent number 6,537,648
- Issue date Mar 25, 2003
- Hoya Corporation
- Kouji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Light-sensitive litho printing plate requiring no dampening water
- Patent number 5,260,167
- Issue date Nov 9, 1993
- Konica Corporation
- Nobumasa Sasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lithographic printing plate utilizing aluminum substrate with photo...
- Patent number 5,238,771
- Issue date Aug 24, 1993
- Konica Corporation
- Kiyoshi Goto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive litho printing plate with cured diazo primer layer,...
- Patent number 5,225,309
- Issue date Jul 6, 1993
- Konica Corporation
- Norihito Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive composition containing 1,2-naphthoquinone-2-diazido-...
- Patent number 5,219,700
- Issue date Jun 15, 1993
- Mitsubishi Kasei Corporation
- Hideyuki Nakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Positive photosensitive planographic printing plates containing spe...
- Patent number 5,182,183
- Issue date Jan 26, 1993
- Mitsubishi Kasei Corporation
- Hiroshi Tomiyasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive composition
- Patent number 4,731,316
- Issue date Mar 15, 1988
- Mitsubishi Chemical Industries Limited
- Hiroshi Tomiyasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC DISK
- Publication number 20090023017
- Publication date Jan 22, 2009
- HOYA CORPORATION
- Hiroshi Tomiyasu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Magnetic recording medium, and thermal stability measuring method a...
- Publication number 20070248844
- Publication date Oct 25, 2007
- Hoya Corporation
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20050208341
- Publication date Sep 22, 2005
- HOYA CORPORATION, HOYA MAGNETICS SINGAPORE PTE. LTD.
- Takashi Morikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Management technique of friction coefficient based on surface rough...
- Publication number 20040170870
- Publication date Sep 2, 2004
- Hoya Corporation
- Tomotaka Yokoyama
- B32 - LAYERED PRODUCTS
Information Patent Application
Magnetic disk using a glass substrate
- Publication number 20040161577
- Publication date Aug 19, 2004
- HOYA CORORATION
- Teiichiro Umezawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20030211363
- Publication date Nov 13, 2003
- Hoya Corporation
- Takashi Morikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Substrate for an information recording medium, information recordin...
- Publication number 20030113506
- Publication date Jun 19, 2003
- Hoya Corporation
- Kouji Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20030104248
- Publication date Jun 5, 2003
- HOYA CORPORATION AND HOYA MAGNETICS SINGAPORE PTE. LTD.
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium
- Publication number 20030096140
- Publication date May 22, 2003
- Hoya Corporation
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Application
Substrate for information recording medium, information recording m...
- Publication number 20020164505
- Publication date Nov 7, 2002
- HOYA CORPORATION
- Tomotaka Yokoyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and manufacturing method therefor
- Publication number 20020119350
- Publication date Aug 29, 2002
- Hoya Corporation
- Hiroshi Tomiyasu
- G11 - INFORMATION STORAGE
Information Patent Application
Management technique of friction coefficient based on surface rough...
- Publication number 20010053444
- Publication date Dec 20, 2001
- Hoya Corporation
- Tomotaka Yokoyama
- B82 - NANO-TECHNOLOGY

Hiroshi Tomiyasu

Person

Patents Grantslast 30 patents

Magnetic disk and method of manufacturing the same

Magnetic disk

Magnetic recording medium, and thermal stability measuring method a...

Management technique of friction coefficient based on surface rough...

Magnetic recording medium, and thermal stability measuring method a...

Magnetic recording medium with multi-portion carbon-based protectio...

Magnetic recording medium

Magnetic disk using a glass substrate

Substrate for an information recording medium, information recordin...

Substrate for information recording medium, information recording m...

Antiferromagnetically coupled magnetic recording medium with dual-l...

Management technique of friction coefficient based on surface rough...

Magnetic recording medium and manufacturing method therefor

Substrate for an information recording medium, information recordin...

Light-sensitive litho printing plate requiring no dampening water

Lithographic printing plate utilizing aluminum substrate with photo...

Light-sensitive litho printing plate with cured diazo primer layer,...

Photosensitive composition containing 1,2-naphthoquinone-2-diazido-...

Positive photosensitive planographic printing plates containing spe...

Photosensitive composition

Patents Applicationslast 30 patents

MAGNETIC DISK

Magnetic recording medium, and thermal stability measuring method a...

Magnetic recording medium

Management technique of friction coefficient based on surface rough...

Magnetic disk using a glass substrate

Magnetic recording medium

Substrate for an information recording medium, information recordin...

Magnetic recording medium

Magnetic recording medium

Substrate for information recording medium, information recording m...

Magnetic recording medium and manufacturing method therefor

Management technique of friction coefficient based on surface rough...