Inventor
KATOH MASAKI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KATOH MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS6886177B2Apr 26, 2005
Phase-change type optical information recording medium
RICOH KK16 citations84
US7068581B2Jun 27, 2006
Optical recording apparatus for recording addresses and having a non-consecutive part in which addresses may or may not be set
RICOH KK4 citations73
US7072258B2Jul 4, 2006
Optical information recording medium, with at least one inconsecutive part, and recording apparatus
RICOH KK2 citations62
US7539098B2May 26, 2009
Optical information recording medium and recording apparatus
RICOH KK0 citations52
US7440380B2Oct 21, 2008
Optical information recording medium and recording apparatus
RICOH KK0 citations52
US7336583B2Feb 26, 2008
Optical information recording medium and recording apparatus
RICOH KK0 citations52
US6996041B2Feb 7, 2006
Optical recording medium recording longest mark at speed which half of lowest guaranteed speed for the recording medium
RICOH KK0 citations52
US7482109B2Jan 27, 2009
Optical information recording medium
RICOH KK0 citations41