Nobuyoshi Tsuboi

Person

Naka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording media and information recording and reproducing u...
- Patent number RE36624
- Issue date Mar 21, 2000
- Hitachi, Ltd.
- Yoshihito Maeda
- 430 - Radiation imagery chemistry: process, composition, or product thereof
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
Optical recording media and information recording and reproducing u...
- Patent number 5,484,686
- Issue date Jan 16, 1996
- Hitachi, Ltd.
- Yoshihito Maeda
- 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
Disk drive unit having motor components in a compact arrangement
- Patent number 5,432,644
- Issue date Jul 11, 1995
- Hitachi, Ltd.
- Fumio Tajima
- 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
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
Optical disk apparatus and optical head
- Patent number 5,311,494
- Issue date May 10, 1994
- Hitachi, Ltd.
- Tatsuya Sugita
- G06 - COMPUTING CALCULATING COUNTING
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
Optical memory medium and its information recording and erasing met...
- Patent number 5,177,717
- Issue date Jan 5, 1993
- Hitachi, Ltd.
- Yoshio Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus of optical modulation using superconductive ox...
- Patent number 5,110,792
- Issue date May 5, 1992
- Hitachi, Ltd.
- Takahiro Nakayama
- G02 - OPTICS
Information Patent Grant
Optical recording sheet and method and apparatus for reproducing th...
- Patent number 5,101,096
- Issue date Mar 31, 1992
- Hitachi, Ltd.
- Shinji Ohyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High-speed two-dimensional electrostatic actuator
- Patent number 5,055,731
- Issue date Oct 8, 1991
- Hitachi, Ltd.
- Hideki Nihei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical element, optical disc and rotary encoder with the optical e...
- Patent number 4,978,187
- Issue date Dec 18, 1990
- Hitachi, Ltd.
- Hiroyuki Minemura
- G11 - INFORMATION STORAGE
Information Patent Grant
Intergrated optical head with flexible substrate portion
- Patent number 4,937,808
- Issue date Jun 26, 1990
- Hitachi, Ltd.
- Satoshi Shimada
- G02 - OPTICS
Information Patent Grant
Optical head with optical beam control using acoustic wave device
- Patent number 4,862,440
- Issue date Aug 29, 1989
- Hitachi, Ltd.
- Norifumi Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording method and apparatus using two fight spots
- Patent number 4,841,514
- Issue date Jun 20, 1989
- Hitachi, Ltd.
- Nobuyoshi Tsuboi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reproducing device
- Patent number 4,811,328
- Issue date Mar 7, 1989
- Hitachi, Ltd.
- Tetsuo Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Beam spot control device using a thin micro lens with an actuator
- Patent number 4,775,967
- Issue date Oct 4, 1988
- Hitachi, Ltd.
- Satoshi Shimada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording device
- Patent number 4,773,060
- Issue date Sep 20, 1988
- Hitachi, Ltd.
- Satoshi Shimada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information apparatus and method of recording and erasing i...
- Patent number 4,718,053
- Issue date Jan 5, 1988
- Hitachi, Ltd.
- Yoshio Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Control apparatus for passenger conveyor
- Patent number 4,499,986
- Issue date Feb 19, 1985
- Hitachi, Ltd.
- Nobuyoshi Tsuboi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Nobuyoshi Tsuboi

Person

Patents Grantslast 30 patents

Optical recording media and information recording and reproducing u...

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

Optical recording media and information recording and reproducing u...

Optical disk memory and information processing apparatus

Disk drive unit having motor components in a compact arrangement

Optical memory and information processing apparatus

Information processing apparatus and optical head incorporated therein

Optical disk apparatus and optical head

Information processor and disk memory used in the same

Optical memory medium and its information recording and erasing met...

Method and apparatus of optical modulation using superconductive ox...

Optical recording sheet and method and apparatus for reproducing th...

High-speed two-dimensional electrostatic actuator

Optical element, optical disc and rotary encoder with the optical e...

Intergrated optical head with flexible substrate portion

Optical head with optical beam control using acoustic wave device

Optical recording method and apparatus using two fight spots

Optical recording and reproducing device

Beam spot control device using a thin micro lens with an actuator

Optical information recording device

Optical information apparatus and method of recording and erasing i...

Control apparatus for passenger conveyor