Kazuo Shigematsu

Person

Yoshikawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communications terminal
- Patent number 7,283,671
- Issue date Oct 16, 2007
- Hitachi, Ltd.
- Kazushige Hiroi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Magneto-optical data recording/reproducing method
- Patent number 7,227,818
- Issue date Jun 5, 2007
- Hitachi, Ltd.
- Tsuyoshi Toda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical head and optical information repro...
- Patent number 7,209,416
- Issue date Apr 24, 2007
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Information transmission system and information transmission apparatus
- Patent number 7,148,807
- Issue date Dec 12, 2006
- Hitachi, Ltd.
- Eiji Moro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical head arrangements with single substrate lasers
- Patent number 7,106,681
- Issue date Sep 12, 2006
- Hitachi, Ltd.
- Shigeru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical recording and reproducing with tra...
- Patent number RE39013
- Issue date Mar 14, 2006
- Hitachi, Ltd.
- Toshimitsu Kaku
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Laser module and optical head
- Patent number 6,985,424
- Issue date Jan 10, 2006
- Hitachi, Ltd.
- Shigeru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical head and optical information repro...
- Patent number 6,967,919
- Issue date Nov 22, 2005
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reading and writing information onto and f...
- Patent number 6,836,454
- Issue date Dec 28, 2004
- Hitachi, Ltd.
- Manabu Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens optical system, optical head and optical information...
- Patent number 6,791,934
- Issue date Sep 14, 2004
- Hitachi, Ltd.
- Takeshi Shimano
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical lens for optical disc drive with aberration suppression for...
- Patent number 6,785,203
- Issue date Aug 31, 2004
- PENTAX Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser module, optical head and optical information recording and re...
- Patent number 6,778,486
- Issue date Aug 17, 2004
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical head and optical information repro...
- Patent number 6,714,506
- Issue date Mar 30, 2004
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for recording and reproducing data
- Patent number 6,552,986
- Issue date Apr 22, 2003
- Hitachi, Ltd.
- Yasushi Fukuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording information, apparatus for recording informati...
- Patent number 6,522,612
- Issue date Feb 18, 2003
- Hitachi, Ltd.
- Makoto Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive
- Patent number 6,477,129
- Issue date Nov 5, 2002
- Hitachi, Ltd.
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording information, apparatus for recording informati...
- Patent number 6,456,579
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Makoto Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head and information recording and reproducing apparatus us...
- Patent number 6,396,790
- Issue date May 28, 2002
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head and information recording and reproducing apparatus us...
- Patent number 6,298,028
- Issue date Oct 2, 2001
- Hitachi, Ltd.
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Wobble signal detecting circuit, wobble abnormality detecting circu...
- Patent number 6,088,307
- Issue date Jul 11, 2000
- Hitachi, Ltd.
- Tetsuya Fushimi
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing device for recording and reproducing info...
- Patent number 5,953,513
- Issue date Sep 14, 1999
- Hitachi, Ltd.
- Eisaku Saiki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information recording and reproducing method and system for disc-sh...
- Patent number 5,854,778
- Issue date Dec 29, 1998
- Hitachi, Ltd.
- Kikuo Shimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for recording and reading an optical disk
- Patent number 5,848,045
- Issue date Dec 8, 1998
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording method using trial write test pattern
- Patent number 5,732,061
- Issue date Mar 24, 1998
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus and recording and reading method for an opti...
- Patent number 5,703,855
- Issue date Dec 30, 1997
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Mark length recording system with trial writing to maximize recordi...
- Patent number 5,668,787
- Issue date Sep 16, 1997
- Hitachi, Ltd.
- Kazuo Shigematsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptic disc apparatus and recording medium
- Patent number 5,642,343
- Issue date Jun 24, 1997
- Hitachi, Ltd.
- Tsuyoshi Toda
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of controlling recording of optical records
- Patent number 5,590,111
- Issue date Dec 31, 1996
- Hitachi, Ltd.
- Fumiyoshi Kirino
- G11 - INFORMATION STORAGE
Information Patent Grant
Increased intensity optical recording medium with adjacent grooves...
- Patent number 5,553,051
- Issue date Sep 3, 1996
- Hitachi, Ltd.
- Hisataka Sugiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetooptical-disk recording and/or reproducing apparatus for a 5....
- Patent number 5,537,370
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Kazuo Shigematsu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus optical head and optical information reproducing
- Publication number 20050183643
- Publication date Aug 25, 2005
- Hitachi, Ltd
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Remote monitoring system
- Publication number 20050091332
- Publication date Apr 28, 2005
- Hitachi, Ltd
- Eiji Moro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information transmission system and information transmission apparatus
- Publication number 20050040959
- Publication date Feb 24, 2005
- Hitachi, Ltd
- Eiji Moro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Remote display protocol, video display system, and terminal equipment
- Publication number 20050021810
- Publication date Jan 27, 2005
- Masaya Umemura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Communications terminal
- Publication number 20040233180
- Publication date Nov 25, 2004
- Hitachi, Ltd.
- Kazushige Hiroi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical head
- Publication number 20040190427
- Publication date Sep 30, 2004
- Tatsuro Ide
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for optical head and optical information repro...
- Publication number 20040120245
- Publication date Jun 24, 2004
- Hitachi, Ltd
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and optical information media recording/reproduction a...
- Publication number 20040022141
- Publication date Feb 5, 2004
- Hitachi, Ltd.
- Shigeru Nakamura
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens optical system, optical head and optical information...
- Publication number 20030076767
- Publication date Apr 24, 2003
- Takeshi Shimano
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for reading and writing information onto and f...
- Publication number 20020105872
- Publication date Aug 8, 2002
- HITACHI, LTD.
- Manabu Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
Method for recording information, apparatus for recording informati...
- Publication number 20020031074
- Publication date Mar 14, 2002
- Hitachi, Ltd.
- Makoto Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and information recording and reproducing apparatus us...
- Publication number 20020012302
- Publication date Jan 31, 2002
- Kouji Arikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive
- Publication number 20010043549
- Publication date Nov 22, 2001
- Hitachi, Ltd
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical disc drive
- Publication number 20010028626
- Publication date Oct 11, 2001
- Hitachi, Ltd
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and optical disk device using the same
- Publication number 20010024418
- Publication date Sep 27, 2001
- Shigeru Nakamura
- G11 - INFORMATION STORAGE

Kazuo Shigematsu

Person

Patents Grantslast 30 patents

Communications terminal

Magneto-optical data recording/reproducing method

Method and apparatus for optical head and optical information repro...

Information transmission system and information transmission apparatus

Optical head arrangements with single substrate lasers

Method and apparatus for optical recording and reproducing with tra...

Laser module and optical head

Method and apparatus for optical head and optical information repro...

Method and apparatus for reading and writing information onto and f...

Objective lens optical system, optical head and optical information...

Optical lens for optical disc drive with aberration suppression for...

Laser module, optical head and optical information recording and re...

Method and apparatus for optical head and optical information repro...

Apparatus for recording and reproducing data

Method for recording information, apparatus for recording informati...

Optical disc drive

Method for recording information, apparatus for recording informati...

Optical head and information recording and reproducing apparatus us...

Optical head and information recording and reproducing apparatus us...

Wobble signal detecting circuit, wobble abnormality detecting circu...

Recording and reproducing device for recording and reproducing info...

Information recording and reproducing method and system for disc-sh...

Method for recording and reading an optical disk

Recording method using trial write test pattern

Optical disk apparatus and recording and reading method for an opti...

Mark length recording system with trial writing to maximize recordi...

Magnetooptic disc apparatus and recording medium

Method of controlling recording of optical records

Increased intensity optical recording medium with adjacent grooves...

Magnetooptical-disk recording and/or reproducing apparatus for a 5....

Patents Applicationslast 30 patents

Method and apparatus optical head and optical information reproducing

Remote monitoring system

Information transmission system and information transmission apparatus

Remote display protocol, video display system, and terminal equipment

Communications terminal

Optical head

Method and apparatus for optical head and optical information repro...

Optical head and optical information media recording/reproduction a...

Objective lens optical system, optical head and optical information...

Method and apparatus for reading and writing information onto and f...

Method for recording information, apparatus for recording informati...

Optical head and information recording and reproducing apparatus us...

Optical disc drive

Objective lens for optical disc drive

Optical head and optical disk device using the same