Toshinori Sugiyama

Person

Ibaraki-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Imprint manufacture method
- Patent number 7,736,558
- Issue date Jun 15, 2010
- Hitachi Maxell, Ltd.
- Atsushi Yusa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical disk, method of playing optical disk, and optical disk drive
- Patent number 7,236,447
- Issue date Jun 26, 2007
- Hitachi Maxell, Ltd.
- Tamotsu Iida
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge type recording medium and disk-shaped recording medium in...
- Patent number 7,228,554
- Issue date Jun 5, 2007
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge type recording medium and disk-shaped recording medium in...
- Patent number 7,073,186
- Issue date Jul 4, 2006
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical head having heat sink layer
- Patent number 6,781,926
- Issue date Aug 24, 2004
- Hitachi Maxell, Limited
- Osamu Ishizaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Light transmission device and apparatus including light transmissio...
- Patent number 6,438,088
- Issue date Aug 20, 2002
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus having a magneto-optical head w...
- Patent number 6,434,088
- Issue date Aug 13, 2002
- Hitachi Maxell, Ltd.
- Osamu Ishizaki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical data recording system and method of production of recording...
- Patent number RE37719
- Issue date May 28, 2002
- Toshinori Sugiyama
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Optical recording medium with solid protective layer having self-lu...
- Patent number 6,366,541
- Issue date Apr 2, 2002
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magneto-optical recording medium capable of recording multiple valu...
- Patent number 6,246,640
- Issue date Jun 12, 2001
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and optical recording device
- Patent number 6,160,769
- Issue date Dec 12, 2000
- Hitachi Maxell, Ltd.
- Satoru Ohnuki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic head capable of generating multi-stepped external magnetic...
- Patent number 6,101,153
- Issue date Aug 8, 2000
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium having a plurality of magnetic layers
- Patent number 6,061,307
- Issue date May 9, 2000
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 6,054,199
- Issue date Apr 25, 2000
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus having a magneto-optical head w...
- Patent number 6,044,041
- Issue date Mar 28, 2000
- Hitachi Maxell, Ltd.
- Osamu Ishizaki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Disc cartridge having an opening/closing slider mechanism
- Patent number 5,598,400
- Issue date Jan 28, 1997
- Hitachi Maxell, Ltd.
- Yoshito Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc cartridge having an opening/closing slider mechanism
- Patent number 5,495,467
- Issue date Feb 27, 1996
- Hitachi Maxell, Ltd.
- Yoshito Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing system including novel tr...
- Patent number 5,408,452
- Issue date Apr 18, 1995
- Hitachi Maxell, Ltd.
- Akito Sakemoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc drive apparatus having a mechanism for opening/closing the shu...
- Patent number 5,166,844
- Issue date Nov 24, 1992
- Hitachi Maxell, Ltd.
- Yoshito Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical data recording system and method of production of recording...
- Patent number 4,876,133
- Issue date Oct 24, 1989
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Information recording disc
- Patent number 4,733,388
- Issue date Mar 22, 1988
- Hitachi Maxell, Ltd.
- Nobuyuki Fujimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Ventilation arrangement for use in an optical recording disc
- Patent number 4,720,826
- Issue date Jan 19, 1988
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording disc
- Patent number 4,710,913
- Issue date Dec 1, 1987
- Hitachi Maxell, Ltd.
- Seiichi Matsushima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical recording medium
- Publication number 20070291629
- Publication date Dec 20, 2007
- HITACHI MAXELL, LTD.
- Toshiyuki Ogano
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium
- Publication number 20070261068
- Publication date Nov 8, 2007
- Hitachi Maxell, Ltd.
- Masafumi Yoshihiro
- G11 - INFORMATION STORAGE
Information Patent Application
Method for modifying surface of polymer substrate, method for formi...
- Publication number 20060257633
- Publication date Nov 16, 2006
- Hitachi Maxell, Ltd.
- Kazuko Inoue
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Cartridge type recording medium and disk-shaped recording medium in...
- Publication number 20060195855
- Publication date Aug 31, 2006
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information-recording medium
- Publication number 20060104194
- Publication date May 18, 2006
- Hitachi Maxell, Ltd.
- Hironori Ota
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording medium, information recording and reproducing...
- Publication number 20060098564
- Publication date May 11, 2006
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Master disk exposure apparatus and master disk exposure method
- Publication number 20050094547
- Publication date May 5, 2005
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical head having heat sink layer
- Publication number 20040246877
- Publication date Dec 9, 2004
- Hitachi Maxell, Ltd.
- Osamu Ishizaki
- G11 - INFORMATION STORAGE
Information Patent Application
Imprint manufacture method and apparatus, magnetic recording medium...
- Publication number 20040211755
- Publication date Oct 28, 2004
- Atsushi Yusa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical disk, method of playing optical disk, and optical disk drive
- Publication number 20040156289
- Publication date Aug 12, 2004
- Hitachi Maxell, Ltd.
- Tamotsu Iida
- G11 - INFORMATION STORAGE
Information Patent Application
Cartridge type recording medium and disk-shaped recording medium in...
- Publication number 20030214855
- Publication date Nov 20, 2003
- Hitachi Maxell, Ltd.
- Toshinori Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical head and magneto-optical recording apparatus includ...
- Publication number 20020097639
- Publication date Jul 25, 2002
- Hitachi Maxell, Ltd.
- Osamu Ishizaki
- G11 - INFORMATION STORAGE

Toshinori Sugiyama

Person

Patents Grantslast 30 patents

Imprint manufacture method

Optical disk, method of playing optical disk, and optical disk drive

Cartridge type recording medium and disk-shaped recording medium in...

Cartridge type recording medium and disk-shaped recording medium in...

Magneto-optical head having heat sink layer

Light transmission device and apparatus including light transmissio...

Recording and reproducing apparatus having a magneto-optical head w...

Optical data recording system and method of production of recording...

Optical recording medium with solid protective layer having self-lu...

Magneto-optical recording medium capable of recording multiple valu...

Optical recording medium and optical recording device

Magnetic head capable of generating multi-stepped external magnetic...

Magneto-optical recording medium having a plurality of magnetic layers

Optical recording medium

Recording and reproducing apparatus having a magneto-optical head w...

Disc cartridge having an opening/closing slider mechanism

Disc cartridge having an opening/closing slider mechanism

Optical information recording/reproducing system including novel tr...

Disc drive apparatus having a mechanism for opening/closing the shu...

Optical data recording system and method of production of recording...

Information recording disc

Ventilation arrangement for use in an optical recording disc

Optical recording disc

Patents Applicationslast 30 patents

Optical recording medium

Optical recording medium

Method for modifying surface of polymer substrate, method for formi...

Cartridge type recording medium and disk-shaped recording medium in...

Optical information-recording medium

Information recording medium, information recording and reproducing...

Master disk exposure apparatus and master disk exposure method

Magneto-optical head having heat sink layer

Imprint manufacture method and apparatus, magnetic recording medium...

Optical disk, method of playing optical disk, and optical disk drive

Cartridge type recording medium and disk-shaped recording medium in...

Magneto-optical head and magneto-optical recording apparatus includ...