Inventor · disambiguated record
Eiichi Hirata
Also filed as: HIRATA EIICHI
5 granted patents·22 citations·filing 1975–2013
74Inventor score
Top patents by PatentIndex Score
5 records- 0162US9494161B2MotorNIDEC SERVO CORP·Filed 2013·Granted Nov 15, 2016·2 cites·13 claims
- 0253US3969329AProcess for producing high molecular weight acrylamide water-soluble polymers by controlling the viscosity of the polymerization reaction medium with a water-miscible organic solventSUMITOMO CHEMICAL CO·Filed 1975·Granted Jul 13, 1976·8 cites·7 claims
- 0352US4837647AVideo cassette auto-changerSONY CORP·Filed 1987·Granted Jun 6, 1989·10 cites·20 claims
- 0451US8390003B2Electronic element wafer module with reduced warpingIDA TOHRU·Filed 2009·Granted Mar 5, 2013·1 cites·31 claims
- 0527US5898657ADisc driving apparatus having a base moving means with first and second engagement shafts engaging respective grooves on a cam memberSONY CORP·Filed 1997·Granted Apr 27, 1999·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →