Tokyo
Japan
9
2011-03-24
The entities that hold a legal rights for patent applications filed by inventor ASHIDA Sumio:
Sumio ASHIDA from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Information recording and reproducing device
#2 | 2010-05-20Optical recording system to record information with light
#3 | 2009-06-04OPTICAL RECORDING MEDIUM
#4 | 2008-02-26Phase-change optical recording medium
#5 | 2007-07-17Optical recording medium and optical recording-reproducing method
#6 | 2006-01-12Optical information recording medium
#7 | 2005-09-13Optical information recording medium
#8 | 2005-02-24Optical recording medium
#9 | 2005-01-11Optical information recording medium and optical disk drive
3525609 ⎘