Inventor · disambiguated record
Yoshimi Kato
Also filed as: KATO YOSHIMI
5 granted patents·129 citations·filing 1991–1994
83Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0183US5572502AOptical disk apparatusHITACHI LTD·Filed 1994·Granted Nov 5, 1996·38 cites·10 claims
- 0276US5475656AOptical disk memory and information processing apparatusHITACHI LTD·Filed 1991·Granted Dec 12, 1995·25 cites·23 claims
- 0375US5420845AMethods of varying optical properties, optical devices, information recording media and information recording methods and apparatusesHITACHI LTD·Filed 1992·Granted May 30, 1995·39 cites·27 claims
- 0463US5583840AROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable diskHITACHI LTD·Filed 1994·Granted Dec 10, 1996·14 cites·36 claims
- 0560US5274612AInformation processor and disk memory used in the sameHITACHI LTD·Filed 1991·Granted Dec 28, 1993·13 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →