Yoshitane Tsuburaya

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic lens, magnetic reproducing element, reproducing apparatus...
- Patent number 6,690,624
- Issue date Feb 10, 2004
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and reproduction method therefor
- Patent number 6,671,233
- Issue date Dec 30, 2003
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge for information-recording media having deformable elastic...
- Patent number 6,501,729
- Issue date Dec 31, 2002
- Hitachi Maxell, Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic lens, magnetic reproducing element, reproducing apparatus...
- Patent number 6,438,073
- Issue date Aug 20, 2002
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge for information-recording media having deformable elastic...
- Patent number 6,339,583
- Issue date Jan 15, 2002
- Hitachi Maxell, Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and reproduction method therefor
- Patent number 6,122,228
- Issue date Sep 19, 2000
- Hitachi Maxwell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk cartridge having a single closing energizer for closing two in...
- Patent number 5,537,389
- Issue date Jul 16, 1996
- Hitachi Maxwell, Ltd.
- Tadahiro Kuwa
- 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 disc manufacturing method
- Patent number 5,273,598
- Issue date Dec 28, 1993
- Hitachi Maxell, Ltd.
- Toshio Higasihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing apparatus and method for recording medium
- Patent number 5,199,988
- Issue date Apr 6, 1993
- Hitachi Maxell, Ltd.
- Hisamitsu Kamezaki
- 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

Patents Applicationslast 30 patents

Information Patent Application
Magnetic lens, magnetic reproducing element, reproducing apparatus...
- Publication number 20020163861
- Publication date Nov 7, 2002
- Hitachi Maxell, Ltd.
- Katsusuke Shimazaki
- G11 - INFORMATION STORAGE
Information Patent Application
Cartridge for information-recording media having deformable elastic...
- Publication number 20020048257
- Publication date Apr 25, 2002
- HITACHI MAXELL, LTD.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE

Yoshitane Tsuburaya

Person

Patents Grantslast 30 patents

Magnetic lens, magnetic reproducing element, reproducing apparatus...

Magneto-optical recording medium and reproduction method therefor

Cartridge for information-recording media having deformable elastic...

Magnetic lens, magnetic reproducing element, reproducing apparatus...

Cartridge for information-recording media having deformable elastic...

Magneto-optical recording medium and reproduction method therefor

Disk cartridge having a single closing energizer for closing two in...

Disc cartridge having an opening/closing slider mechanism

Optical disc manufacturing method

Manufacturing apparatus and method for recording medium

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

Patents Applicationslast 30 patents

Magnetic lens, magnetic reproducing element, reproducing apparatus...

Cartridge for information-recording media having deformable elastic...