Inventor
KAMEZAKI HISAMITSU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KAMEZAKI HISAMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
5 patentsUS6933032B2Aug 23, 2005
Write-once-read-many optical recording media and process for recording and reproducing information on the media
RICOH KK24 citations90
US6866910B2Mar 15, 2005
Information recording medium
RICOH KK12 citations82
US7413788B2Aug 19, 2008
Write-once-read-many optical recording media and process for recording and reproducing information on the media
RICOH KK7 citations71
US7636289B2Dec 22, 2009
Optical-recording medium, method for producing the same, and method for recording and reproducing optical-recording
RICOH KK2 citations62
US6982110B2Jan 3, 2006
Information recording medium and manufacturing method thereof
RICOH KK3 citations61
HITACHI MAXELL
5 patentsUS5904969AMay 18, 1999
Optical data recording medium and manufacturing method thereof
HITACHI MAXELL29 citations89
US5199988AApr 6, 1993
Manufacturing apparatus and method for recording medium
HITACHI MAXELL15 citations73
US4985289AJan 15, 1991
Optical data recording medium
HITACHI MAXELL9 citations72
US5021276AJun 4, 1991
Optical data recording medium and manufacturing method thereof
HITACHI MAXELL13 citations71
US4996089AFeb 26, 1991
Optical data recording medium
HITACHI MAXELL12 citations71