Hiroko OHKURA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reaction material formed body and heat storage and release unit
- Patent number 9,453,659
- Issue date Sep 27, 2016
- Ricoh Company, Ltd.
- Yasutomo Aman
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Reaction material and chemical heat pump
- Patent number 9,243,179
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Yohei Shiren
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Optical recording medium
- Patent number 8,124,315
- Issue date Feb 28, 2012
- Ricoh Company, Ltd.
- Hiroyoshi Sekiguchi
- G11 - INFORMATION STORAGE
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
- Patent number 8,017,209
- Issue date Sep 13, 2011
- Ricoh Company, Ltd.
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, recording method thereof and evaluation m...
- Patent number 7,800,993
- Issue date Sep 21, 2010
- Ricoh Company, Ltd.
- Masaki Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium and method of recording to the same
- Patent number 7,715,293
- Issue date May 11, 2010
- Ricoh Company, Ltd.
- Masaki Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording and reproducing...
- Patent number 7,626,915
- Issue date Dec 1, 2009
- Ricoh Company, Ltd.
- Hiroshi Deguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, method of manufacturing the o...
- Patent number 7,507,523
- Issue date Mar 24, 2009
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium
- Patent number 7,485,357
- Issue date Feb 3, 2009
- Ricoh Company, Ltd.
- Mikiko Takada
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change information recording medium, manufacturing method for...
- Patent number 7,438,965
- Issue date Oct 21, 2008
- Ricoh Company, Ltd.
- Hiroko Ohkura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical recording medium and process for producing the same, sputte...
- Patent number 7,384,678
- Issue date Jun 10, 2008
- Ricoh Company, Ltd.
- Hiroshi Miura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Optical recording medium, recording material, method of producing o...
- Patent number 7,364,781
- Issue date Apr 29, 2008
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase change type optical recording medium and recording method the...
- Patent number 7,242,657
- Issue date Jul 10, 2007
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and optical recording medium therefor
- Patent number 7,068,591
- Issue date Jun 27, 2006
- Ricoh Company, Ltd.
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and optical recording medium therefor
- Patent number 6,963,527
- Issue date Nov 8, 2005
- Ricoh Company, Ltd.
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording medium, recording material, method of producing o...
- Patent number 6,884,487
- Issue date Apr 26, 2005
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 6,846,611
- Issue date Jan 25, 2005
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical information recording medium
- Patent number 6,790,592
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
HEAT EXCHANGER, CHEMICAL HEAT PUMP, AND PRODUCTION METHOD FOR PRODU...
- Publication number 20160327315
- Publication date Nov 10, 2016
- RICOH COMPANY, LTD.
- Masahiro MASUZAWA
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT STORAGE AND RELEASE UNIT, CHEMICAL HEAT PUMP, AND NON-ELECTRIF...
- Publication number 20160290685
- Publication date Oct 6, 2016
- Yasutomo AMAN
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
REACTION MATERIAL FORMED BODY AND HEAT STORAGE AND RELEASE UNIT
- Publication number 20140305142
- Publication date Oct 16, 2014
- RICOH COMPANY, LTD.
- Yasutomo AMAN
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
REACTION MATERIAL AND CHEMICAL HEAT PUMP
- Publication number 20140231698
- Publication date Aug 21, 2014
- RICOH COMPANY, LTD.
- Yohei Shiren
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL RECORDING MEDIUM
- Publication number 20100221480
- Publication date Sep 2, 2010
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Application
INFORMATION RECORDING METHOD, INFORMATION RECORDING MEDIUM, AND INF...
- Publication number 20090116344
- Publication date May 7, 2009
- Eiko Hibino
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Recording Medium and Optical Recording Method
- Publication number 20090116365
- Publication date May 7, 2009
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Optical Recording Medium, Recording Method Thereof And Evaluation M...
- Publication number 20090046550
- Publication date Feb 19, 2009
- RICOH COMPANY, LTD.
- Masaki Kato
- 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 20080050673
- Publication date Feb 28, 2008
- Hiroyoshi Sekiguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium and process for producing the same, sputte...
- Publication number 20060269717
- Publication date Nov 30, 2006
- Hiroshi Miura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Optical recording medium
- Publication number 20060246270
- Publication date Nov 2, 2006
- Mikiko Takada
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, method for manufacturing the same, sputte...
- Publication number 20060233998
- Publication date Oct 19, 2006
- Mikiko Takada
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium
- Publication number 20060228649
- Publication date Oct 12, 2006
- Mikiko Takada
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium and method of recording to the same
- Publication number 20060209658
- Publication date Sep 21, 2006
- Masaki Kato
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, recording material, method of producing o...
- Publication number 20060188686
- Publication date Aug 24, 2006
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording and reproducing...
- Publication number 20060153053
- Publication date Jul 13, 2006
- Hiroshi Deguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium
- Publication number 20060088684
- Publication date Apr 27, 2006
- Ricoh Company, Ltd.
- Mikiko Abe
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change information recording medium, manufacturing method for...
- Publication number 20060077884
- Publication date Apr 13, 2006
- Hiroko Ohkura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Information recording method and optical recording medium therefor
- Publication number 20050265133
- Publication date Dec 1, 2005
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, recording material, method of producing o...
- Publication number 20050058055
- Publication date Mar 17, 2005
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase change type optical recording medium and recording method the...
- Publication number 20040136307
- Publication date Jul 15, 2004
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording method and optical recording medium therefor
- Publication number 20030152006
- Publication date Aug 14, 2003
- Hiroko Ohkura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, recording material, method of producing o...
- Publication number 20030143365
- Publication date Jul 31, 2003
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium
- Publication number 20030003395
- Publication date Jan 2, 2003
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical information recording medium
- Publication number 20020098445
- Publication date Jul 25, 2002
- Ricoh Company, Ltd.
- Makoto Harigaya
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording medium, recording material, method of producing o...
- Publication number 20010041240
- Publication date Nov 15, 2001
- Kazunori Ito
- G11 - INFORMATION STORAGE

Hiroko OHKURA

Person

Patents Grantslast 30 patents

Reaction material formed body and heat storage and release unit

Reaction material and chemical heat pump

Optical recording medium

Optical recording medium

Optical recording medium

Optical recording medium, recording method thereof and evaluation m...

Optical recording medium and method of recording to the same

Phase-change optical recording medium and recording and reproducing...

Optical information recording medium, method of manufacturing the o...

Optical recording medium

Phase-change information recording medium, manufacturing method for...

Optical recording medium and process for producing the same, sputte...

Optical recording medium, recording material, method of producing o...

Phase change type optical recording medium and recording method the...

Information recording method and optical recording medium therefor

Information recording method and optical recording medium therefor

Optical recording medium, recording material, method of producing o...

Phase-change optical recording medium

Phase-change optical information recording medium

Patents Applicationslast 30 patents

HEAT EXCHANGER, CHEMICAL HEAT PUMP, AND PRODUCTION METHOD FOR PRODU...

HEAT STORAGE AND RELEASE UNIT, CHEMICAL HEAT PUMP, AND NON-ELECTRIF...

REACTION MATERIAL FORMED BODY AND HEAT STORAGE AND RELEASE UNIT

REACTION MATERIAL AND CHEMICAL HEAT PUMP

OPTICAL RECORDING MEDIUM

INFORMATION RECORDING METHOD, INFORMATION RECORDING MEDIUM, AND INF...

Optical Recording Medium and Optical Recording Method

Optical Recording Medium, Recording Method Thereof And Evaluation M...

OPTICAL RECORDING MEDIUM

Optical Recording Medium

Optical recording medium and process for producing the same, sputte...

Optical recording medium

Optical recording medium, method for manufacturing the same, sputte...

Optical recording medium

Optical recording medium and method of recording to the same

Optical recording medium, recording material, method of producing o...

Phase-change optical recording medium and recording and reproducing...

Optical recording medium

Phase-change information recording medium, manufacturing method for...

Information recording method and optical recording medium therefor

Optical recording medium, recording material, method of producing o...

Phase change type optical recording medium and recording method the...

Information recording method and optical recording medium therefor

Optical recording medium, recording material, method of producing o...

Phase-change optical recording medium

Phase-change optical information recording medium

Optical recording medium, recording material, method of producing o...