Inventor · disambiguated record
Tetsuharu Ohya
Also filed as: OHYA TETSUHARU
3 granted patents·2 pending applications·5 citations·filing 2003–2016
57Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
5 records- 0169US9998071B2Failure diagnosis method and failure diagnosis system for photovoltaic systemHITACHI LTD·Filed 2014·Granted Jun 12, 2018·2 cites·10 claims
- 0267US10340849B2Diagnosis system and diagnosis method for photovoltaic power generation systemHITACHI LTD·Filed 2016·Granted Jul 2, 2019·2 cites·14 claims
- 0365US10312858B2Solar power generation system and failure diagnosis method thereforHITACHI LTD·Filed 2016·Granted Jun 4, 2019·1 cites·15 claims
- 0450US2003236686A1System for calculating insurance premiumHITACHI LTD·Filed 2003·Application pending·0 cites
- 0541US2005102312A1Information management methodFiled 2004·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →