Yutaka Sugita

Person

Nakaarai, Tokorozawa-shi, Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Large capacity magnetic disc apparatus with a particular relationsh...
- Patent number 5,671,107
- Issue date Sep 23, 1997
- Hitachi, Ltd.
- Katsuya Mitsuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic heads and magnetic recording reproducing devices using mag...
- Patent number 5,639,547
- Issue date Jun 17, 1997
- Hitachi Maxell, Ltd.
- Katsuya Mitsuoka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
ROM type optical recording medium with a high reflectivity and an o...
- Patent number 5,583,840
- Issue date Dec 10, 1996
- Hitachi, Ltd.
- Hiroyuki Minemura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic recording apparatus with magnetic head on slider having ap...
- Patent number 5,541,789
- Issue date Jul 30, 1996
- Hitachi, Ltd.
- Hirotsugu Fukuoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk memory and information processing apparatus
- Patent number 5,475,656
- Issue date Dec 12, 1995
- Hitachi, Ltd.
- Yoshio Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical memory and information processing apparatus
- Patent number 5,371,730
- Issue date Dec 6, 1994
- Hitachi, Ltd.
- Yoshihito Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Mounting substrate
- Patent number 5,350,886
- Issue date Sep 27, 1994
- Hitachi, Ltd.
- Kunio Miyazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Information processing apparatus and optical head incorporated therein
- Patent number 5,317,556
- Issue date May 31, 1994
- Hitachi, Ltd.
- Nobuyoshi Tsuboi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and method of manufacturing the same
- Patent number 5,316,617
- Issue date May 31, 1994
- Hitachi, Ltd.
- Takashi Kawabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Magnetic recording apparatus
- Patent number 5,307,214
- Issue date Apr 26, 1994
- Hitachi, Ltd.
- Kanji Kawakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus with thin film head suitable for high-densi...
- Patent number 5,296,979
- Issue date Mar 22, 1994
- Hitachi, Ltd.
- Takashi Kawabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Information processor and disk memory used in the same
- Patent number 5,274,612
- Issue date Dec 28, 1993
- Hitachi, Ltd.
- Yoshio Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic information storage apparatus including magnetic head and...
- Patent number 5,245,493
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Takashi Kawabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and method of recording/retrieving information
- Patent number 5,109,311
- Issue date Apr 28, 1992
- Hitachi, Ltd.
- Masanobu Hanazono
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with mixed crystal structures
- Patent number 5,051,856
- Issue date Sep 24, 1991
- Hitachi, Ltd.
- Shinji Narishige
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,923,765
- Issue date May 8, 1990
- Hitachi, Ltd.
- Shinji Takayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparing magnetic layer and magnetic head prepared usi...
- Patent number 4,894,098
- Issue date Jan 16, 1990
- Hitachi, Ltd.
- Shigekazu Otomo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording disk
- Patent number 4,889,757
- Issue date Dec 26, 1989
- Hitachi, Ltd.
- Shinkichi Horigome
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording material
- Patent number 4,880,694
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Shinji Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,838,962
- Issue date Jun 13, 1989
- Hitachi, Ltd.
- Shinji Takayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling renewal of data in optical dis...
- Patent number 4,788,672
- Issue date Nov 29, 1988
- Hitachi, Ltd.
- Takashi Toyooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for preparing magnetic layer and magnetic head prepared usi...
- Patent number 4,772,976
- Issue date Sep 20, 1988
- Hitachi, Ltd.
- Shigekazu Otomo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical read-out magnetic head
- Patent number 4,707,755
- Issue date Nov 17, 1987
- Hitachi, Ltd.
- Norio Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Ion-implanted magnetic bubble device and a method of manufacturing...
- Patent number 4,701,385
- Issue date Oct 20, 1987
- Hitachi, Ltd.
- Ryo Imura
- G11 - INFORMATION STORAGE
Information Patent Grant
Garnet film for magnetic bubble memory element
- Patent number 4,622,264
- Issue date Nov 11, 1986
- Hitachi, Ltd.
- Yuzuru Hosoe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic bubble device
- Patent number 4,621,344
- Issue date Nov 4, 1986
- Hitachi, Ltd.
- Toshihiro Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,607,349
- Issue date Aug 19, 1986
- Hitachi, Ltd.
- Ryo Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Temperature-compensated magnetic field measuring instrument
- Patent number 4,604,577
- Issue date Aug 5, 1986
- Hitachi, Ltd.
- Hiroyoshi Matsumura
- G02 - OPTICS
Information Patent Grant
Control method of magnetic anisotropy and device utilizing the cont...
- Patent number 4,600,488
- Issue date Jul 15, 1986
- Hitachi, Ltd.
- Ryo Imura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic bubble memory device
- Patent number 4,601,013
- Issue date Jul 15, 1986
- Hitachi, Ltd.
- Ryo Suzuki
- G11 - INFORMATION STORAGE

Yutaka Sugita

Person

Patents Grantslast 30 patents

Large capacity magnetic disc apparatus with a particular relationsh...

Magnetic heads and magnetic recording reproducing devices using mag...

ROM type optical recording medium with a high reflectivity and an o...

Magnetic recording apparatus with magnetic head on slider having ap...

Optical disk memory and information processing apparatus

Optical memory and information processing apparatus

Mounting substrate

Information processing apparatus and optical head incorporated therein

Thin film magnetic head and method of manufacturing the same

Magnetic recording apparatus

Magnetic disc apparatus with thin film head suitable for high-densi...

Information processor and disk memory used in the same

Magnetic information storage apparatus including magnetic head and...

Magnetic disk device and method of recording/retrieving information

Thin film magnetic head with mixed crystal structures

Magneto-optical recording medium

Process for preparing magnetic layer and magnetic head prepared usi...

Optical recording disk

Magneto-optical recording material

Magneto-optical recording medium

Method and apparatus for controlling renewal of data in optical dis...

Process for preparing magnetic layer and magnetic head prepared usi...

Optical read-out magnetic head

Ion-implanted magnetic bubble device and a method of manufacturing...

Garnet film for magnetic bubble memory element

Magnetic bubble device

Magnetic bubble memory device

Temperature-compensated magnetic field measuring instrument

Control method of magnetic anisotropy and device utilizing the cont...

Magnetic bubble memory device