Inventor
OHMI FUMIYA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OHMI FUMIYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
14 patentsUS5974025AOct 26, 1999
Optical recording medium and recording and reproducing method using the same
RICOH KK109 citations97
US6373802B1Apr 16, 2002
Method and apparatus for initializing optical recording media
RICOH KK34 citations96
US6445669B1Sep 3, 2002
Initialization of phase-change optical recording medium
RICOH KK73 citations95
US7488701B2Feb 10, 2009
Optical information recording medium, manufacturing method thereof and image processing method
RICOH KK7 citations73
US6775213B2Aug 10, 2004
Method and apparatus for initializing optical recording media
RICOH KK3 citations73
US6580672B2Jun 17, 2003
Method and apparatus for initializing optical recording media
RICOH KK4 citations73
US6314072B1Nov 6, 2001
Apparatus and method for formatting an optical disk with format data written to the optical disk
RICOH KK8 citations73
US4797331AJan 10, 1989
Magneto-optical recording material
RICOH KK13 citations73
US7512052B2Mar 31, 2009
Formatting of phase-change optical disc for improved signal characteristics
RICOH KK2 citations62
US6760291B2Jul 6, 2004
Method and apparatus for initializing optical recording media
RICOH KK2 citations62
US7447138B2Nov 4, 2008
Method and apparatus for initializing optical recording media
RICOH KK0 citations52
US6990053B2Jan 24, 2006
Method and apparatus for initializing optical recording media
RICOH KK0 citations52
US7327649B2Feb 5, 2008
Method for formatting optical information recording medium, at recording power less than recording power to be used for recording, and recording medium formatted by the method
RICOH KK0 citations51
USRE39901EOct 30, 2007
Initialization of phase-change optical recording medium
RICOH KK0 citations51