Inventor · disambiguated record
Fumihiko Okai
Also filed as: OKAI FUMIHIKO
4 granted patents·1 pending application·63 citations·filing 2001–2007
77Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
5 records- 0187US7522092B2Radar apparatus and radar system for a vehicleHITACHI LTD·Filed 2007·Granted Apr 21, 2009·30 cites·9 claims
- 0261US7061424B2Radar deviceHITACHI LTD·Filed 2002·Granted Jun 13, 2006·17 cites·6 claims
- 0356US6819283B2Vehicle control apparatusHITACHI LTD·Filed 2002·Granted Nov 16, 2004·12 cites·10 claims
- 0443US7259711B2Vehicle control apparatusHITACHI LTD·Filed 2003·Granted Aug 21, 2007·4 cites·9 claims
- 0532US2001026237A1Millimeter wave radarFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →