Ryoji Yamaguchi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information medium with improved temperature characteristics
- Patent number 5,265,087
- Issue date Nov 23, 1993
- Kabushiki Kaisha Toshiba
- Nobuo Inage
- G11 - INFORMATION STORAGE
Information Patent Grant
Cartridge loading apparatus
- Patent number 4,896,312
- Issue date Jan 23, 1990
- Kabushiki Kaisha Toshiba
- Kazuharu Odawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Information memory medium
- Patent number 4,866,697
- Issue date Sep 12, 1989
- Kabushiki Kaisha Toshiba
- Ryoji Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Information memory medium
- Patent number 4,827,468
- Issue date May 2, 1989
- Kabushiki Kaisha Toshiba
- Kazuharu Odawara
- G11 - INFORMATION STORAGE
Information Patent Grant
Electric motor with hydrodynamic pressure and magnetic thrust bearings
- Patent number 4,538,081
- Issue date Aug 27, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Masashi Kamiya
- G02 - OPTICS
Information Patent Grant
Case for housing information memory media therein
- Patent number 4,488,645
- Issue date Dec 18, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Ryoji Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for installing a disk
- Patent number 4,489,410
- Issue date Dec 18, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Ryoji Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Electric motor unit
- Patent number 4,443,043
- Issue date Apr 17, 1984
- Tokyo Shibaura Denki Kabushiki Kaisha
- Ryoji Yamaguchi
- G02 - OPTICS
Information Patent Grant
Polygon mirror for use with laser beam scanning apparatus including...
- Patent number 4,421,385
- Issue date Dec 20, 1983
- Tokyo Shibaura Denki Kabushiki Kaisha
- Ryoji Yamaguchi
- G02 - OPTICS
Information Patent Grant
Laser scanning apparatus
- Patent number 4,327,287
- Issue date Apr 27, 1982
- Tokyo Shibaura Denki Kabushiki Kaisha
- Tutomu Saito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pattern reading device
- Patent number 4,165,871
- Issue date Aug 28, 1979
- Tokyo Shibaura Electric Co., Ltd.
- Ryoji Yamaguchi
- G06 - COMPUTING CALCULATING COUNTING

Ryoji Yamaguchi

Person

Patents Grantslast 30 patents

Information medium with improved temperature characteristics

Cartridge loading apparatus

Information memory medium

Information memory medium

Electric motor with hydrodynamic pressure and magnetic thrust bearings

Case for housing information memory media therein

Apparatus for installing a disk

Electric motor unit

Polygon mirror for use with laser beam scanning apparatus including...

Laser scanning apparatus

Pattern reading device