Sumio Ashida

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information recording and reproducing device
- Patent number 8,487,345
- Issue date Jul 16, 2013
- Kabushiki Kaisha Toshiba
- Takayuki Tsukamoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical recording system to record information with light
- Patent number 8,169,879
- Issue date May 1, 2012
- Kabushiki Kaisha Toshiba
- Yuuzo Kamiguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Phase change memory including a plurality of electrically conductiv...
- Patent number 7,883,930
- Issue date Feb 8, 2011
- Kabushiki Kaisha Toshiba
- Takayuki Tsukamoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Phase change recording medium
- Patent number 7,858,166
- Issue date Dec 28, 2010
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 7,767,285
- Issue date Aug 3, 2010
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, and information recording/playback appara...
- Patent number 7,736,715
- Issue date Jun 15, 2010
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording media and optical recording-reproduc...
- Patent number 7,643,397
- Issue date Jan 5, 2010
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording media
- Patent number 7,542,404
- Issue date Jun 2, 2009
- Kabushiki Kaisha Toshiba
- Keiichiro Yusu
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording media
- Patent number 7,510,753
- Issue date Mar 31, 2009
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtering target, optical thin film and manufacturing method there...
- Patent number 7,510,990
- Issue date Mar 31, 2009
- Kabushiki Kaisha Toshiba
- Yasuhiro Satoh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical disk apparatus for distinguishing recording media including...
- Patent number 7,477,586
- Issue date Jan 13, 2009
- Kabushiki Kaisha Toshiba
- Ryosuke Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium and its manufacturing method
- Patent number 7,455,951
- Issue date Nov 25, 2008
- Kabushiki Kaisha Toshiba
- Katsutaro Ichihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phase-change optical recording medium
- Patent number 7,357,969
- Issue date Apr 15, 2008
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 7,335,459
- Issue date Feb 26, 2008
- Kabushiki Kaisha Toshiba
- Sumio Ashida
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 7,294,382
- Issue date Nov 13, 2007
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 7,291,375
- Issue date Nov 6, 2007
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical recording-reproducing method
- Patent number 7,245,576
- Issue date Jul 17, 2007
- Kabushiki Kaisha Toshiba
- Katsutaro Ichihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 7,214,416
- Issue date May 8, 2007
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 7,132,147
- Issue date Nov 7, 2006
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 7,110,348
- Issue date Sep 19, 2006
- Kabushiki Kaisha Toshiba
- Naomasa Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 7,011,876
- Issue date Mar 14, 2006
- Kabushiki Kaisha Toshiba
- Sumio Ashida
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 6,944,116
- Issue date Sep 13, 2005
- Kabushiki Kaisha Toshiba
- Naomasa Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium and optical disk drive
- Patent number 6,842,419
- Issue date Jan 11, 2005
- Kabushiki Kaisha Toshiba
- Naomasa Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 6,805,935
- Issue date Oct 19, 2004
- Kabushiki Kaisha Toshiba
- Sumio Ashida
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium and its manufacturing method
- Patent number 6,554,972
- Issue date Apr 29, 2003
- Kabushiki Kaisha Toshiba
- Katsutaro Ichihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical recording medium
- Patent number 6,296,915
- Issue date Oct 2, 2001
- Kabushiki Kaisha Toshiba
- Keiichiro Yusu
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase change optical recording medium
- Patent number 6,240,060
- Issue date May 29, 2001
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Grant
A magneto-optical recording system including a recording medium hav...
- Patent number 5,412,627
- Issue date May 2, 1995
- Kabushiki Kaisha Toshiba
- Katsutaro Ichihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of magneto-optically recording/erasing information and magne...
- Patent number 5,175,714
- Issue date Dec 29, 1992
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of magneto-optically recording and erasing information onto...
- Patent number 5,105,400
- Issue date Apr 14, 1992
- Kabushiki Kaisha Toshiba
- Akira Kikitsu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION RECORDING AND REPRODUCING DEVICE
- Publication number 20110068319
- Publication date Mar 24, 2011
- Kabushiki Kaisha Toshiba
- Takayuki TSUKAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING SYSTEM TO RECORD INFORMATION WITH LIGHT
- Publication number 20100124160
- Publication date May 20, 2010
- Kabushiki Kaisha Toshiba
- Yuuzo KAMIGUCHI
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM
- Publication number 20090141615
- Publication date Jun 4, 2009
- Tsukasa NAKAI
- G11 - INFORMATION STORAGE
Information Patent Application
PHASE CHANGE MEMORY AND MANUFACTURING METHOD THEREOF
- Publication number 20080293183
- Publication date Nov 27, 2008
- KABUSHIKI KAISHA TOSHIBA
- Takayuki Tsukamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL RECORDING MEDIUM
- Publication number 20080225681
- Publication date Sep 18, 2008
- Kabushiki Kaisha Toshiba
- Rumiko Hayase
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING AND REPRODUCING APPA...
- Publication number 20080151729
- Publication date Jun 26, 2008
- Kabushiki Kaisha Toshiba
- Yasuhiro Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Recording Medium Utilizing Holography and Method for Manufa...
- Publication number 20080080335
- Publication date Apr 3, 2008
- Kabushiki Kaisha Toshiba
- Kazuki Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM, INFORMATION RECORDING AND REPRODUCING APP...
- Publication number 20070248785
- Publication date Oct 25, 2007
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk and optical disk device
- Publication number 20070230321
- Publication date Oct 4, 2007
- Noritake Oomachi
- G11 - INFORMATION STORAGE
Information Patent Application
PHASE CHANGE RECORDING MEDIUM
- Publication number 20070178272
- Publication date Aug 2, 2007
- Tsukasa NAKAI
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium
- Publication number 20070148396
- Publication date Jun 28, 2007
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, method for reproducing information and op...
- Publication number 20070077522
- Publication date Apr 5, 2007
- Kabushiki Kaisha Toshiba
- Yasuhiro Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Sputtering target, optical thin film and manufacturing method there...
- Publication number 20070031633
- Publication date Feb 8, 2007
- Kabushiki Kaisha Toshiba
- Yasuhiro Satoh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Optical recording medium, and information recording/playback appara...
- Publication number 20060291370
- Publication date Dec 28, 2006
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Information storage medium, medium processing apparatus, and medium...
- Publication number 20060280066
- Publication date Dec 14, 2006
- Keiichiro Yusu
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium
- Publication number 20060275577
- Publication date Dec 7, 2006
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium
- Publication number 20060269719
- Publication date Nov 30, 2006
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Phase change memory and manufacturing method thereof
- Publication number 20060261379
- Publication date Nov 23, 2006
- KABUSHIKI KAISHA TOSHIBA
- Takayuki Tsukamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Phase-change optical recording medium
- Publication number 20060234004
- Publication date Oct 19, 2006
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium
- Publication number 20060234005
- Publication date Oct 19, 2006
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium and its manufacturing method
- Publication number 20060177769
- Publication date Aug 10, 2006
- Kabushiki Kaisha Toshiba
- Katsutaro Ichihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Phase-change optical recording media
- Publication number 20060146687
- Publication date Jul 6, 2006
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording media
- Publication number 20060077869
- Publication date Apr 13, 2006
- Keiichiro Yusu
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording media and optical recording-reproduc...
- Publication number 20060077878
- Publication date Apr 13, 2006
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording media
- Publication number 20060068151
- Publication date Mar 30, 2006
- Sumio Ashida
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium
- Publication number 20060007846
- Publication date Jan 12, 2006
- Kabushiki Kaisha Toshiba
- Naomasa Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus, method for controlling the same, and record...
- Publication number 20050141379
- Publication date Jun 30, 2005
- Ryosuke Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium
- Publication number 20050112499
- Publication date May 26, 2005
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium
- Publication number 20050106353
- Publication date May 19, 2005
- Kabushiki Kaisha Toshiba
- Tsukasa Nakai
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium, method of recording information there...
- Publication number 20050058034
- Publication date Mar 17, 2005
- Hideo Ando
- G11 - INFORMATION STORAGE

Sumio Ashida

Person

Patents Grantslast 30 patents

Information recording and reproducing device

Optical recording system to record information with light

Phase change memory including a plurality of electrically conductiv...

Phase change recording medium

Phase-change optical recording medium

Optical recording medium, and information recording/playback appara...

Phase-change optical recording media and optical recording-reproduc...

Optical recording media

Phase-change optical recording media

Sputtering target, optical thin film and manufacturing method there...

Optical disk apparatus for distinguishing recording media including...

Information recording medium and its manufacturing method

Phase-change optical recording medium

Phase-change optical recording medium

Phase-change optical recording medium

Phase-change optical recording medium

Optical recording medium and optical recording-reproducing method

Phase-change optical recording medium

Phase-change optical recording medium

Optical information recording medium

Optical recording medium

Optical information recording medium

Optical information recording medium and optical disk drive

Optical recording medium

Information recording medium and its manufacturing method

Optical recording medium

Phase change optical recording medium

A magneto-optical recording system including a recording medium hav...

Method of magneto-optically recording/erasing information and magne...

Method of magneto-optically recording and erasing information onto...

Patents Applicationslast 30 patents

INFORMATION RECORDING AND REPRODUCING DEVICE

OPTICAL RECORDING SYSTEM TO RECORD INFORMATION WITH LIGHT

OPTICAL RECORDING MEDIUM

PHASE CHANGE MEMORY AND MANUFACTURING METHOD THEREOF

OPTICAL RECORDING MEDIUM

OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING AND REPRODUCING APPA...

Optical Recording Medium Utilizing Holography and Method for Manufa...

OPTICAL RECORDING MEDIUM, INFORMATION RECORDING AND REPRODUCING APP...

Optical disk and optical disk device

PHASE CHANGE RECORDING MEDIUM

Phase-change optical recording medium

Optical recording medium, method for reproducing information and op...

Sputtering target, optical thin film and manufacturing method there...

Optical recording medium, and information recording/playback appara...

Information storage medium, medium processing apparatus, and medium...

Phase-change optical recording medium

Phase-change optical recording medium

Phase change memory and manufacturing method thereof

Phase-change optical recording medium

Phase-change optical recording medium

Information recording medium and its manufacturing method

Phase-change optical recording media

Optical recording media

Phase-change optical recording media and optical recording-reproduc...

Optical recording media

Optical information recording medium

Optical disk apparatus, method for controlling the same, and record...

Phase-change optical recording medium

Phase-change optical recording medium

Information recording medium, method of recording information there...