Inventor · disambiguated record
Shigetoshi Hiratsuka
Also filed as: HIRATSUKA SHIGETOSHI
6 granted patents·111 citations·filing 1982–1990
85Inventor score
Top patents by PatentIndex Score
6 records- 0172US4829321AOptical printer head with a light emitting diode arrayHITACHI CABLE·Filed 1988·Granted May 9, 1989·33 cites·8 claims
- 0272US4517444AThermal printheadHITACHI LTD·Filed 1984·Granted May 14, 1985·19 cites·2 claims
- 0369US5162644AContact type image sensor having photoelectric conversion elements to reduce signal variation caused by luminous intensity variation of light sourceHITACHI LTD·Filed 1990·Granted Nov 10, 1992·30 cites·50 claims
- 0454US4905021AOptical printer head with a light emitting diode arrayHITACHI CABLE·Filed 1989·Granted Feb 27, 1990·16 cites·8 claims
- 0546US4636813AThermal print headHITACHI LTD·Filed 1985·Granted Jan 13, 1987·8 cites·10 claims
- 0642US4460494AResistorHITACHI LTD·Filed 1982·Granted Jul 17, 1984·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →