Hiroko Tashiro

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 7,366,075
- Issue date Apr 29, 2008
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device substrate film-formation apparatus, optical disk sub...
- Patent number 7,273,534
- Issue date Sep 25, 2007
- Ricoh Company, Ltd.
- Kazunori Ito
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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 recording medium and recording method and appa...
- Patent number 7,102,977
- Issue date Sep 5, 2006
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,884,488
- Issue date Apr 26, 2005
- Ricoh Company, Limited
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
OPTICAL DEVICE SUBSTRATE FILM-FORMATION APPARATUS, OPTICAL DISK SUB...
- Patent number 6,841,049
- Issue date Jan 11, 2005
- Ricoh Company, Ltd.
- Kazunori Ito
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,777,057
- Issue date Aug 17, 2004
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change medium usable in phase-difference tracking
- Patent number 6,741,545
- Issue date May 25, 2004
- Ricoh Company, Ltd.
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,548,137
- Issue date Apr 15, 2003
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change medium usable in phase-difference tracking
- Patent number 6,426,936
- Issue date Jul 30, 2002
- Ricoh Company, Ltd.
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 6,391,417
- Issue date May 21, 2002
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Optical information recording medium
- Patent number 6,177,167
- Issue date Jan 23, 2001
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20060256706
- Publication date Nov 16, 2006
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20050169149
- Publication date Aug 4, 2005
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Optical device substrate film-formation apparatus, optical disk sub...
- Publication number 20040262149
- Publication date Dec 30, 2004
- Kazunori Ito
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20040209036
- Publication date Oct 21, 2004
- Kazunori Ito
- 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
Optical device substrate film-formation apparatus, optical disk sub...
- Publication number 20030180495
- Publication date Sep 25, 2003
- Kazunori Ito
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20030124298
- Publication date Jul 3, 2003
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20030031823
- Publication date Feb 13, 2003
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change medium usable in phase-difference tracking
- Publication number 20020163876
- Publication date Nov 7, 2002
- Michiaki Shinotsuka
- G11 - INFORMATION STORAGE

Hiroko Tashiro

Person

Patents Grantslast 30 patents

Phase-change optical recording medium and recording method and appa...

Optical device substrate film-formation apparatus, optical disk sub...

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

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

OPTICAL DEVICE SUBSTRATE FILM-FORMATION APPARATUS, OPTICAL DISK SUB...

Phase-change optical recording medium and recording method and appa...

Phase-change medium usable in phase-difference tracking

Phase-change optical recording medium and recording method and appa...

Phase-change medium usable in phase-difference tracking

Optical information recording medium

Optical information recording medium

Patents Applicationslast 30 patents

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Optical device substrate film-formation apparatus, optical disk sub...

Phase-change optical recording medium and recording method and appa...

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

Optical device substrate film-formation apparatus, optical disk sub...

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Phase-change medium usable in phase-difference tracking