Inventor · disambiguated record
Naomi Sato
Also filed as: SATO NAOMI
4 granted patents·64 citations·filing 1995–2013
76Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0180US6679423B2Electronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 2001·Granted Jan 20, 2004·19 cites·15 claims
- 0247US5932859AElectronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 1995·Granted Aug 3, 1999·29 cites·23 claims
- 0345US9573489B2Control device for railway power conditioner and control system for railway power conditionerHITACHI LTD·Filed 2013·Granted Feb 21, 2017·0 cites·13 claims
- 0443US6273334B1Electronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 1999·Granted Aug 14, 2001·16 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →