Inventor · disambiguated record
Katsuhiko Oka
Also filed as: OKA KATSUHIKO
5 granted patents·2 pending applications·26 citations·filing 1976–2010
74Inventor score
Top patents by PatentIndex Score
7 records- 0184US7759834B2Electromagnetic deviceNIPPON SOKEN·Filed 2007·Granted Jul 20, 2010·15 cites·22 claims
- 0278US7814642B1Stator of electric rotating machineNIPPON SOKEN·Filed 2010·Granted Oct 19, 2010·4 cites·16 claims
- 0372US7821177B2Laminated coreNIPPON SOKEN·Filed 2008·Granted Oct 26, 2010·7 cites·11 claims
- 0451US2009261684A1Stator of electric rotating machineNIPPON SOKEN·Filed 2009·Application pending·0 cites
- 0536US2005022977A1Counter-stream-mode oscillating-flow heat transport apparatusFiled 2004·Application pending·0 cites
- 0622US8852259B2Indwelling device for tubular medical treatment instrument and front tip of indwelling device for tubular medical treatment instrumentOKA KATSUHIKO·Filed 2010·Granted Oct 7, 2014·0 cites·3 claims
- 0718US4071642AMethod of reinforcing porous materialsASAHI FANCY PLYWOOD CO·Filed 1976·Granted Jan 31, 1978·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →