Hiroyuki Iwasa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Powder storage container and image forming apparatus in which a gri...
- Patent number 9,116,468
- Issue date Aug 25, 2015
- Ricoh Company, Ltd.
- Seiji Terazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical recording medium
- Patent number 8,075,974
- Issue date Dec 13, 2011
- Ricoh Company, Ltd.
- Hiroshi Deguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, and method and apparatus for optical reco...
- Patent number 7,920,454
- Issue date Apr 5, 2011
- Ricoh Company, Ltd.
- Hiroyuki Iwasa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, and, method for manufacturing the same, a...
- Patent number 7,767,284
- Issue date Aug 3, 2010
- Ricoh Company, Ltd.
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for identifying double-layer disc and optical disc apparatus
- Patent number 7,613,091
- Issue date Nov 3, 2009
- Ricoh Company, Ltd.
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer phase-change information recording medium, and method fo...
- Patent number 7,601,481
- Issue date Oct 13, 2009
- Ricoh Company, Ltd.
- Masaru Shinkai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 7,491,436
- Issue date Feb 17, 2009
- Ricoh Company, Ltd.
- Masaru Shinkai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, and recording and reproducing...
- Patent number 7,464,390
- Issue date Dec 9, 2008
- Ricoh Company, Ltd.
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase change information recording medium having multiple layers an...
- Patent number 7,439,007
- Issue date Oct 21, 2008
- Ricoh Company, Ltd.
- Hiroyuki Iwasa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, process for manufacturing the same, sputt...
- Patent number 7,260,053
- Issue date Aug 21, 2007
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical information recording medium, and optical info...
- Patent number 7,042,830
- Issue date May 9, 2006
- Ricoh Company, Ltd.
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium and method for producing the same
- Patent number 7,005,172
- Issue date Feb 28, 2006
- Ricoh Company, Ltd.
- Masaru Shinkai
- G11 - INFORMATION STORAGE
Information Patent Grant
Web roll container
- Patent number 5,806,786
- Issue date Sep 15, 1998
- Fuji Photo Film Co., Ltd.
- Hirofumi Abe
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
POWDER STORAGE CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140029973
- Publication date Jan 30, 2014
- Seiji Terazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR DETERMINING OPTIMUM LASER BEAM POWER AND OTICAL RECORDIN...
- Publication number 20090046565
- Publication date Feb 19, 2009
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM
- Publication number 20090029091
- Publication date Jan 29, 2009
- Hiroshi Deguchi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM
- Publication number 20080145587
- Publication date Jun 19, 2008
- Ricoh Company, Ltd,
- Hajime YUZURIHARA
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Recording Medium
- Publication number 20080037406
- Publication date Feb 14, 2008
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, and method for initializing the optical r...
- Publication number 20070283378
- Publication date Dec 6, 2007
- HIroyuki Iwasa
- 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
Optical recording medium and two layered optical recording medium,...
- Publication number 20070009703
- Publication date Jan 11, 2007
- Masaru Shinkai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, and recording and reproducing method and...
- Publication number 20060292493
- Publication date Dec 28, 2006
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Dual-layer phase-change information recording medium and recording...
- Publication number 20060233095
- Publication date Oct 19, 2006
- Hiroyuki Iwasa
- G11 - INFORMATION STORAGE
Information Patent Application
Dual-layer phase-change information recording medium and recording...
- Publication number 20060228531
- Publication date Oct 12, 2006
- Hiroyuki Iwasa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium, and recording and reproducing...
- Publication number 20060171290
- Publication date Aug 3, 2006
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Method for identifying double-layer disc and optical disc apparatus
- Publication number 20060164943
- Publication date Jul 27, 2006
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, and method and apparatus for optical reco...
- Publication number 20060098561
- Publication date May 11, 2006
- Hiroyuki Iwasa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium and method for producing the same
- Publication number 20060093778
- Publication date May 4, 2006
- Masaru Shinkai
- G11 - INFORMATION STORAGE
Information Patent Application
Recording method for optical recording medium, and optical recordin...
- Publication number 20050270959
- Publication date Dec 8, 2005
- Hiroyuki Iwasa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, and, method for manufacturing the same, a...
- Publication number 20050255281
- Publication date Nov 17, 2005
- Michiaki Shinotsuka
- B32 - LAYERED PRODUCTS
Information Patent Application
Optical recording medium, manufacturing method of the same, and spu...
- Publication number 20050254410
- Publication date Nov 17, 2005
- Takeshi Kibe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Two-layered optical recording medium, method for manufacturing the...
- Publication number 20050221050
- Publication date Oct 6, 2005
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Multilayer phase-change information recording medium, and method fo...
- Publication number 20050207331
- Publication date Sep 22, 2005
- Masaru Shinkai
- G11 - INFORMATION STORAGE
Information Patent Application
Phase change information recording medium having multiple layers an...
- Publication number 20040130998
- Publication date Jul 8, 2004
- Ricoh Company, Ltd.
- Hiroyuki Iwasa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording medium and method for producing the same
- Publication number 20040115386
- Publication date Jun 17, 2004
- Masaru Shinkai
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, process for manufacturing the same, sputt...
- Publication number 20040037203
- Publication date Feb 26, 2004
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical information recording medium, and optical info...
- Publication number 20030035360
- Publication date Feb 20, 2003
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE

Hiroyuki Iwasa

Person

Patents Grantslast 30 patents

Powder storage container and image forming apparatus in which a gri...

Optical recording medium

Optical recording medium, and method and apparatus for optical reco...

Optical recording medium, and, method for manufacturing the same, a...

Method for identifying double-layer disc and optical disc apparatus

Multilayer phase-change information recording medium, and method fo...

Optical information recording medium

Optical information recording medium, and recording and reproducing...

Phase change information recording medium having multiple layers an...

Optical recording medium, process for manufacturing the same, sputt...

Phase-change optical information recording medium, and optical info...

Optical information recording medium and method for producing the same

Web roll container

Patents Applicationslast 30 patents

POWDER STORAGE CONTAINER AND IMAGE FORMING APPARATUS

METHOD FOR DETERMINING OPTIMUM LASER BEAM POWER AND OTICAL RECORDIN...

OPTICAL RECORDING MEDIUM

OPTICAL RECORDING MEDIUM

Optical Recording Medium

Optical recording medium, and method for initializing the optical r...

Dual-layer recordable optical recording medium

Optical recording medium and two layered optical recording medium,...

Optical recording medium, and recording and reproducing method and...

Dual-layer phase-change information recording medium and recording...

Dual-layer phase-change information recording medium and recording...

Optical information recording medium, and recording and reproducing...

Method for identifying double-layer disc and optical disc apparatus

Optical recording medium, and method and apparatus for optical reco...

Optical information recording medium and method for producing the same

Recording method for optical recording medium, and optical recordin...

Optical recording medium, and, method for manufacturing the same, a...

Optical recording medium, manufacturing method of the same, and spu...

Two-layered optical recording medium, method for manufacturing the...

Multilayer phase-change information recording medium, and method fo...

Phase change information recording medium having multiple layers an...

Optical information recording medium and method for producing the same

Optical recording medium, process for manufacturing the same, sputt...

Phase-change optical information recording medium, and optical info...