Inventor · disambiguated record
Hisao Iizuka
Also filed as: IIZUKA HISAO
9 granted patents·287 citations·filing 1983–1990
91Inventor score
Top patents by PatentIndex Score
9 records- 0186US5138310ALight-emitting element array driver circuitHITACHI LTD·Filed 1990·Granted Aug 11, 1992·95 cites·18 claims
- 0284US4967192ALight-emitting element array driver circuitHITACHI LTD·Filed 1988·Granted Oct 30, 1990·57 cites·41 claims
- 0382US4584470ASingle-polarization fiber optics magnetic sensorHITACHI CABLE·Filed 1983·Granted Apr 22, 1986·36 cites·9 claims
- 0472US4829321AOptical printer head with a light emitting diode arrayHITACHI CABLE·Filed 1988·Granted May 9, 1989·33 cites·8 claims
- 0566US4761451AAcoustic vibration sheet and polypropylene composition for the sameCHISSO CORP·Filed 1987·Granted Aug 2, 1988·18 cites·4 claims
- 0654US4905021AOptical printer head with a light emitting diode arrayHITACHI CABLE·Filed 1989·Granted Feb 27, 1990·16 cites·8 claims
- 0753US5240983AProcess for producing polyolefin thermoplastic elastomer compositionCHISSO CORP·Filed 1990·Granted Aug 31, 1993·16 cites·8 claims
- 0841US5028228AApparatus for making dental root canal filling pointsG C DENTAL IND CORP·Filed 1989·Granted Jul 2, 1991·10 cites·41 claims
- 0933US5061411AMethod for making dental root canal filling pointsG C DENTAL IND CORP·Filed 1990·Granted Oct 29, 1991·6 cites·16 claims
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