Toshio Sugiyama

Person

Toyokawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical pickup and optical disc apparatus
- Patent number 7,965,594
- Issue date Jun 21, 2011
- Hitachi Media Electronics Co., Ltd.
- Toshiteru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device, optical pickup and optical disk apparatus
- Patent number 7,400,568
- Issue date Jul 15, 2008
- Hitachi, Ltd.
- Seiichi Katou
- G11 - INFORMATION STORAGE
Information Patent Grant
Compact optical head including two light emitters having parallel o...
- Patent number 6,388,976
- Issue date May 14, 2002
- Hitachi, Ltd.
- Shinji Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Compact optical head including two light emitters having parallel o...
- Patent number 6,069,862
- Issue date May 30, 2000
- Hitachi, Ltd.
- Shinji Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Structure for supporting optical pickup
- Patent number 5,933,407
- Issue date Aug 3, 1999
- Hitachi, Ltd.
- Masayoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus and optical head thereof
- Patent number 5,872,761
- Issue date Feb 16, 1999
- Hitachi, Ltd.
- Yasuyuki Sugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus and optical head thereof
- Patent number 5,699,341
- Issue date Dec 16, 1997
- Hitachi, Ltd.
- Yasuyuki Sugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Structure for supporting optical pickup
- Patent number 5,615,204
- Issue date Mar 25, 1997
- Hitachi, Ltd.
- Masayoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical reading/reproducing apparatus
- Patent number 4,779,255
- Issue date Oct 18, 1988
- Hitachi, Ltd.
- Toshio Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus with access system having object lens control
- Patent number 4,744,069
- Issue date May 10, 1988
- Hitachi, Ltd.
- Toshio Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Two dimensional actuator for moving optical medium of scanning device
- Patent number 4,547,871
- Issue date Oct 15, 1985
- Hitachi, Ltd.
- Toshio Sugiyama
- G02 - OPTICS
Information Patent Grant
Method and apparatus for reducing semiconductor laser optical noise
- Patent number 4,532,619
- Issue date Jul 30, 1985
- Hitachi, Ltd.
- Toshio Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical tracking system
- Patent number 4,525,823
- Issue date Jun 25, 1985
- Hitachi, Ltd.
- Toshio Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system for reproducing information
- Patent number 4,411,500
- Issue date Oct 25, 1983
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Photoelectric focus and tracking apparatus
- Patent number 4,352,981
- Issue date Oct 5, 1982
- Hitachi, Ltd.
- Toshio Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information processor with prismatic correction of laser be...
- Patent number 4,333,173
- Issue date Jun 1, 1982
- Hitachi, Ltd.
- Seiji Yonezawa
- G02 - OPTICS
Information Patent Grant
Motor using Hall effect elements
- Patent number 4,242,608
- Issue date Dec 30, 1980
- Hitachi, Ltd.
- Yasuhiro Ishigaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP AND OPTICAL DISC APPARATUS
- Publication number 20100322047
- Publication date Dec 23, 2010
- Toshiteru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP
- Publication number 20100238783
- Publication date Sep 23, 2010
- Nobuhiro Konuma
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up apparatus and optical disc apparatus including the...
- Publication number 20080068972
- Publication date Mar 20, 2008
- Akio Yabe
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up apparatus and optical disc apparatus including the...
- Publication number 20080068971
- Publication date Mar 20, 2008
- Akio Yabe
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up apparatus and optical disc apparatus including the...
- Publication number 20080062849
- Publication date Mar 13, 2008
- Akio Yabe
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICK-UP APPARATUS AND OPTICAL DISC APPARATUS INCLUDING THE...
- Publication number 20080056100
- Publication date Mar 6, 2008
- Akio Yabe
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Pickup and Optical Disc Apparatus
- Publication number 20070242575
- Publication date Oct 18, 2007
- Toshiteru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical device, optical pickup and optical disk apparatus
- Publication number 20040105378
- Publication date Jun 3, 2004
- Seiichi Katou
- G11 - INFORMATION STORAGE

Toshio Sugiyama

Person

Patents Grantslast 30 patents

Optical pickup and optical disc apparatus

Optical device, optical pickup and optical disk apparatus

Compact optical head including two light emitters having parallel o...

Compact optical head including two light emitters having parallel o...

Structure for supporting optical pickup

Optical disk apparatus and optical head thereof

Optical disk apparatus and optical head thereof

Structure for supporting optical pickup

Optical reading/reproducing apparatus

Optical disc apparatus with access system having object lens control

Two dimensional actuator for moving optical medium of scanning device

Method and apparatus for reducing semiconductor laser optical noise

Optical tracking system

Optical system for reproducing information

Photoelectric focus and tracking apparatus

Optical information processor with prismatic correction of laser be...

Motor using Hall effect elements

Patents Applicationslast 30 patents

OPTICAL PICKUP AND OPTICAL DISC APPARATUS

OPTICAL PICKUP

Optical pick-up apparatus and optical disc apparatus including the...

Optical pick-up apparatus and optical disc apparatus including the...

Optical pick-up apparatus and optical disc apparatus including the...

OPTICAL PICK-UP APPARATUS AND OPTICAL DISC APPARATUS INCLUDING THE...

Optical Pickup and Optical Disc Apparatus

Optical device, optical pickup and optical disk apparatus