Isamu Shibata

Person

Fuchu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multibeam optical pickup and servo method thereof
- Patent number 5,341,355
- Issue date Aug 23, 1994
- Ricoh Company, Ltd.
- Hiroshi Gotoh
- G11 - INFORMATION STORAGE
Information Patent Grant
High dielectric polymeric optical recording medium
- Patent number 5,326,678
- Issue date Jul 5, 1994
- Ricoh Company Ltd.
- Akio Kojima
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek and track control for a rectangular optical card handling appa...
- Patent number 5,059,774
- Issue date Oct 22, 1991
- Ricoh Company, Ltd.
- Nobuaki Kubo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor laser control apparatus
- Patent number 4,899,344
- Issue date Feb 6, 1990
- Ricoh Co., Ltd.
- Isamu Shibata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor laser control circuit
- Patent number 4,856,011
- Issue date Aug 8, 1989
- Ricoh Company, Ltd.
- Kazuyuki Shimada
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser beam emitting apparatus
- Patent number 4,763,334
- Issue date Aug 9, 1988
- Ricoh Company, Ltd.
- Kazuyuki Shimada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Scanning clock generating device for optical scanner
- Patent number 4,729,617
- Issue date Mar 8, 1988
- Ricoh Company, Ltd.
- Kazuyuki Shimada
- G02 - OPTICS
Information Patent Grant
Optical scanner without extra convergent lens
- Patent number 4,717,925
- Issue date Jan 5, 1988
- Ricoh Company, Ltd.
- Isamu Shibata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor laser output control device
- Patent number 4,663,760
- Issue date May 5, 1987
- Ricoh Company, Ltd.
- Kazuyuki Shimada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for controlling the radiating output of a semiconductor laser
- Patent number 4,618,958
- Issue date Oct 21, 1986
- Ricoh Co., Ltd.
- Isamu Shibata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light deflector
- Patent number 4,585,297
- Issue date Apr 29, 1986
- Ricoh Company, Ltd.
- Iwao Hamaguchi
- G02 - OPTICS
Information Patent Grant
Optoelectronic sensing apparatus
- Patent number 4,173,402
- Issue date Nov 6, 1979
- Ricoh Company, Ltd.
- Masanori Horike
- G02 - OPTICS

Isamu Shibata

Person

Patents Grantslast 30 patents

Multibeam optical pickup and servo method thereof

High dielectric polymeric optical recording medium

Seek and track control for a rectangular optical card handling appa...

Semiconductor laser control apparatus

Semiconductor laser control circuit

Laser beam emitting apparatus

Scanning clock generating device for optical scanner

Optical scanner without extra convergent lens

Semiconductor laser output control device

Device for controlling the radiating output of a semiconductor laser

Light deflector

Optoelectronic sensing apparatus