Inventor · disambiguated record
Michiharu Harakawa
Also filed as: HARAKAWA MICHIHARU
3 granted patents·28 citations·filing 1983–1998
69Inventor score
Top patents by PatentIndex Score
3 records- 0163US4717331ASpinning nozzleNIPPON OIL CO LTD·Filed 1985·Granted Jan 5, 1988·14 cites·7 claims
- 0250US4579645AStarting pitch for carbon fibersNIPPON OIL CO LTD·Filed 1983·Granted Apr 1, 1986·6 cites·17 claims
- 0348US5968435AProcess for manufacturing pitch-type carbon fiberNIPPON STEEL CORP·Filed 1998·Granted Oct 19, 1999·8 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →