Takayuki Asahina

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Shzuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing read-only optical disc medium and read-onl...
- Patent number 8,634,287
- Issue date Jan 21, 2014
- Sony Corporation
- Tetsuhiro Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Read-only optical disc medium and method of fabricating the same
- Patent number 7,969,855
- Issue date Jun 28, 2011
- Sony Corporation
- Takayuki Asahina
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk read only memory
- Patent number 7,911,929
- Issue date Mar 22, 2011
- Sony Corporation
- Tetsuhiro Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk checkup/measuring apparatus
- Patent number 6,541,748
- Issue date Apr 1, 2003
- Sony Disc Technology Inc.
- Takayuki Asahina
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording and reproducing apparatus having a laser...
- Patent number 5,495,456
- Issue date Feb 27, 1996
- Sony Corporation
- Nobuyuki Oka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING READ-ONLY OPTICAL DISC MEDIUM AND READ-ONL...
- Publication number 20100085864
- Publication date Apr 8, 2010
- Sony Corporation
- Tetsuhiro Sakamoto
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISK READ ONLY MEMORY
- Publication number 20090147664
- Publication date Jun 11, 2009
- SONY CORPORATION
- Tetsuhiro SAKAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
READ-ONLY OPTICAL DISC MEDIUM AND METHOD OF FABRICATING THE SAME
- Publication number 20080186838
- Publication date Aug 7, 2008
- Sony Disc & Digital Solutions Inc.
- Takayuki Asahina
- G11 - INFORMATION STORAGE