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Noboru Sasa
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrochromic element
Patent number
11,237,447
Issue date
Feb 1, 2022
Ricoh Company, Ltd.
Keiichiroh Yutani
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Electrochromic device, electronic dimming eyeglasses, augmented rea...
Patent number
11,106,106
Issue date
Aug 31, 2021
Ricoh Company, Ltd.
Noboru Sasa
G02 - OPTICS
Information
Patent Grant
Write-once-read-many optical disk having low-to-high recording prop...
Patent number
8,859,184
Issue date
Oct 14, 2014
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Write-once-read-many optical disk having low-to-high recording prop...
Patent number
8,846,298
Issue date
Sep 30, 2014
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium, and sputtering target and method for prod...
Patent number
8,227,067
Issue date
Jul 24, 2012
Ricoh Company, Ltd.
Yoshitaka Hayashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Write-once-read-many optical recording medium
Patent number
8,163,366
Issue date
Apr 24, 2012
Ricoh Company, Ltd.
Toshishige Fujii
G11 - INFORMATION STORAGE
Information
Patent Grant
Worm optical recording medium
Patent number
8,147,942
Issue date
Apr 3, 2012
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Sputtering target and manufacturing method therefor, and recordable...
Patent number
8,124,212
Issue date
Feb 28, 2012
Ricoh Company, Ltd.
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Optical recording medium, sputtering target, and method for manufac...
Patent number
8,124,211
Issue date
Feb 28, 2012
Ricoh Company, Ltd.
Noboru Sasa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of recording data in multilayered recordable optical recordi...
Patent number
8,009,534
Issue date
Aug 30, 2011
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Sputtering target and manufacturing method therefor, and recordable...
Patent number
7,897,535
Issue date
Mar 1, 2011
Ricoh Company, Ltd.
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Sputtering target and manufacturing method therefor, and optical re...
Patent number
7,488,526
Issue date
Feb 10, 2009
Ricoh Company, Ltd.
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Write-once-read-many optical recording media and process for record...
Patent number
7,413,788
Issue date
Aug 19, 2008
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Binarization device
Patent number
7,085,429
Issue date
Aug 1, 2006
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording method and apparatus for an optical storage medium
Patent number
7,061,847
Issue date
Jun 13, 2006
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Write-once-read-many optical recording media and process for record...
Patent number
6,933,032
Issue date
Aug 23, 2005
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
6,762,008
Issue date
Jul 13, 2004
Ricoh Company, Ltd.
Tsutomu Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium having short wobble period length
Patent number
6,741,547
Issue date
May 25, 2004
Ricoh Company, Ltd.
Tatsuya Tomura
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording method and apparatus for an optical storage medium
Patent number
6,628,595
Issue date
Sep 30, 2003
Ricoh Company, Ltd.
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and optical recording and reading method u...
Patent number
6,558,768
Issue date
May 6, 2003
Ricoh Company, Ltd.
Soh Noguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and recording method using the same
Patent number
6,225,022
Issue date
May 1, 2001
Ricoh Company, Ltd.
Tatsuya Tomura
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
6,197,477
Issue date
Mar 6, 2001
Ricoh Company, Ltd.
Tsutomu Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and recording and/or reproduction method u...
Patent number
6,057,020
Issue date
May 2, 2000
Ricoh Company, Ltd.
Yasunobu Ueno
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
5,998,093
Issue date
Dec 7, 1999
Ricoh Company, Ltd.
Tatsuya Tomura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Optical information recording medium
Patent number
5,939,163
Issue date
Aug 17, 1999
Ricoh Co., Ltd.
Yasunobu Ueno
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium using a phthalocyanine compound
Patent number
5,863,703
Issue date
Jan 26, 1999
Ricoh Company, Ltd.
Tatsuya Tomura
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium near infrared absorbing materi...
Patent number
5,677,025
Issue date
Oct 14, 1997
Ricoh Company, Ltd.
Tatsuya Tomura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL ELEMENT AND SPECTACLES
Publication number
20200409182
Publication date
Dec 31, 2020
Yuuya ENDOH
G02 - OPTICS
Information
Patent Application
ELECTROCHROMIC DEVICE, ELECTRONIC DIMMING EYEGLASSES, AUGMENTED REA...
Publication number
20190285960
Publication date
Sep 19, 2019
Noboru SASA
G02 - OPTICS
Information
Patent Application
ELECTROCHROMIC ELEMENT
Publication number
20190227401
Publication date
Jul 25, 2019
RICOH COMPANY, LTD.
Keiichiroh YUTANI
G02 - OPTICS
Information
Patent Application
SPUTTERING TARGET AND MANUFACTURING METHOD THEREFOR, AND RECORDABLE...
Publication number
20110143075
Publication date
Jun 16, 2011
RICOH COMPANY, LTD.
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
WRITE-ONCE-READ-MANY OPTICAL DISK HAVING LOW-TO-HIGH RECORDING PROP...
Publication number
20110116353
Publication date
May 19, 2011
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL RECORDING MEDIUM, SPUTTERING TARGET, AND METHOD FOR MANUFAC...
Publication number
20100055375
Publication date
Mar 4, 2010
RICOH COMPANY, LTD.
Noboru Sasa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
RECORDABLE OPTICAL RECORDING MEDIUM AND RECORDING METHOD THEREOF
Publication number
20100020668
Publication date
Jan 28, 2010
RICOH COMPANY LTD.
Shinya Narumi
G11 - INFORMATION STORAGE
Information
Patent Application
WRITE-ONCE-READ-MANY OPTICAL RECORDING MEDIUM AND RECORDING METHOD...
Publication number
20100014394
Publication date
Jan 21, 2010
RICOH COMPANY, LTD.
Masayuki Fujiwara
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL RECORDING MEDIUM, AND SPUTTERING TARGET AND METHOD FOR PROD...
Publication number
20100003446
Publication date
Jan 7, 2010
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
WORM OPTICAL RECORDING MEDIUM
Publication number
20090197117
Publication date
Aug 6, 2009
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF RECORDING DATA IN MULTILAYERED RECORDABLE OPTICAL RECORDI...
Publication number
20090073844
Publication date
Mar 19, 2009
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20090022932
Publication date
Jan 22, 2009
Toshishige Fujii
G11 - INFORMATION STORAGE
Information
Patent Application
Write-Once-Read-Many Optical Recording Medium
Publication number
20090011169
Publication date
Jan 8, 2009
Toshishige Fujii
G11 - INFORMATION STORAGE
Information
Patent Application
Recording/Reproduction Method for Optical Recording Medium, Recordi...
Publication number
20080062841
Publication date
Mar 13, 2008
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
Dual-layer recordable optical recording medium
Publication number
20070237064
Publication date
Oct 11, 2007
Toshishige Fujii
G11 - INFORMATION STORAGE
Information
Patent Application
Sputtering target and manufacturing method therefor, and recordable...
Publication number
20070218239
Publication date
Sep 20, 2007
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Sputtering target and manufacturing method therefor, and optical re...
Publication number
20070114129
Publication date
May 24, 2007
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Write-once-read-many optical disk having low-to-high recording prop...
Publication number
20070037095
Publication date
Feb 15, 2007
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
Write-onece-read-many optical recording medium, sputtering target a...
Publication number
20060222810
Publication date
Oct 5, 2006
Yoshitaka Hayashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Write-once-read-many optical recording media and process for record...
Publication number
20060003136
Publication date
Jan 5, 2006
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
Write-once-read-many optical recording media and process for record...
Publication number
20040265532
Publication date
Dec 30, 2004
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording method and apparatus for an optical storage medium
Publication number
20040027959
Publication date
Feb 12, 2004
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20030068576
Publication date
Apr 10, 2003
Tsutomu Satoh
G11 - INFORMATION STORAGE
Information
Patent Application
Binarization device
Publication number
20030048726
Publication date
Mar 13, 2003
Noboru Sasa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium
Publication number
20020048646
Publication date
Apr 25, 2002
Ricoh Company, Ltd.
Tatsuya Tomura
B32 - LAYERED PRODUCTS
Information
Patent Application
Optical recording medium and optical recording and reading method u...
Publication number
20010044001
Publication date
Nov 22, 2001
Soh Noguchi
G11 - INFORMATION STORAGE