Inventor
OMATA HIROSHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OMATA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
8 patentsUS5616428AApr 1, 1997
Magnetooptical recording medium and information recording and reproducing methods using the recording medium
CANON KK28 citations92
US4716063ADec 29, 1987
Information recording disk
CANON KK21 citations81
US5889739AMar 30, 1999
Magnetooptical recording medium and information recording and reproducing methods using the recording medium
CANON KK15 citations73
US4777068AOct 11, 1988
Optical recording medium
CANON KK17 citations73
US5407720AApr 18, 1995
Optical recording medium and process for producing the same
CANON KK15 citations72
USRE38501EApr 20, 2004
Magnetooptical recording medium and information recording and reproducing methods using the recording medium
CANON KK3 citations62
US5398232AMar 14, 1995
Optical recording medium with prepit areas having reflectivity higher than land areas
CANON KK3 citations61
US4939023AJul 3, 1990
Opto-magnetic recording medium
CANON KK4 citations60