Inventor
KATO YOSHIMI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KATO YOSHIMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS5475656ADec 12, 1995
Optical disk memory and information processing apparatus
HITACHI LTD25 citations92
US5420845AMay 30, 1995
Methods of varying optical properties, optical devices, information recording media and information recording methods and apparatuses
HITACHI LTD39 citations92
US5572502ANov 5, 1996
Optical disk apparatus
HITACHI LTD38 citations91
US5583840ADec 10, 1996
ROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable disk
HITACHI LTD14 citations73
US5274612ADec 28, 1993
Information processor and disk memory used in the same
HITACHI LTD13 citations73