Inventor · disambiguated record
Naoto Ohnuma
Also filed as: OHNUMA NAOTO
3 granted patents·16 citations·filing 2001–2019
62Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0155US6492790B2Driving system for driving AC motorHITACHI LTD·Filed 2001·Granted Dec 10, 2002·10 cites·9 claims
- 0248US7199547B2Apparatus, method or system for controlling mobile bodyHITACHI LTD·Filed 2001·Granted Apr 3, 2007·6 cites·16 claims
- 0341US12391521B2Elevator and control method for elevatorHITACHI LTD·Filed 2019·Granted Aug 19, 2025·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →