Toshihiko Shirasagi

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical device, method for producing master for use in producing op...
- Patent number 8,309,903
- Issue date Nov 13, 2012
- Sony Corporation
- Sohmei Endoh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for manufacturing optical disk master, method for manufactur...
- Patent number 7,933,186
- Issue date Apr 26, 2011
- Sony Corporation
- Toshihiko Shirasagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device, method for producing master for use in producing op...
- Patent number 7,633,045
- Issue date Dec 15, 2009
- Sony Corporation
- Sohmei Endoh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD OF MASTER DISC FOR OPTICAL DISC, AND MASTER DI...
- Publication number 20120128917
- Publication date May 24, 2012
- SONY CORPORATION
- Toshihiko Shirasagi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OPTICAL DEVICE, METHOD FOR PRODUCING MASTER FOR USE IN PRODUCING OP...
- Publication number 20100134892
- Publication date Jun 3, 2010
- SONY CORPORATION
- Sohmei Endoh
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING STORAGE MEDIUM AND APPARATUS FOR MANUFACTU...
- Publication number 20090155730
- Publication date Jun 18, 2009
- SONY CORPORATION
- Toshihiko SHIRASAGI
- B82 - NANO-TECHNOLOGY
Information Patent Application
Optical Device, Method for Producing Master for Use in Producing Op...
- Publication number 20080265149
- Publication date Oct 30, 2008
- SONY CORPORATION
- Sohmei Endoh
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL DISK MASTER, METHOD FOR MANUFACTUR...
- Publication number 20070238055
- Publication date Oct 11, 2007
- SONY CORPORATION
- Toshihiko Shirasagi
- G11 - INFORMATION STORAGE
Information Patent Application
Manufacturing method of master disc for optical disc, and master di...
- Publication number 20070105055
- Publication date May 10, 2007
- SONY CORPORATION
- Toshihiko Shirasagi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Toshihiko Shirasagi

Person

Patents Grantslast 30 patents

Optical device, method for producing master for use in producing op...

Method for manufacturing optical disk master, method for manufactur...

Optical device, method for producing master for use in producing op...

Patents Applicationslast 30 patents

MANUFACTURING METHOD OF MASTER DISC FOR OPTICAL DISC, AND MASTER DI...

OPTICAL DEVICE, METHOD FOR PRODUCING MASTER FOR USE IN PRODUCING OP...

METHOD FOR MANUFACTURING STORAGE MEDIUM AND APPARATUS FOR MANUFACTU...

Optical Device, Method for Producing Master for Use in Producing Op...

METHOD FOR MANUFACTURING OPTICAL DISK MASTER, METHOD FOR MANUFACTUR...

Manufacturing method of master disc for optical disc, and master di...