Inventor · disambiguated record
Izumi Ichikawa
Also filed as: ICHIKAWA IZUMI
4 granted patents·1 pending application·76 citations·filing 1983–2004
78Inventor score
Top patents by PatentIndex Score
5 records- 0176US4613964AOptical information processing method and apparatus thereforCANON KK·Filed 1983·Granted Sep 23, 1986·19 cites·9 claims
- 0262US7175421B2Slide core unitMISUMI CORP·Filed 2003·Granted Feb 13, 2007·26 cites·11 claims
- 0361US4864651ALight communication apparatus with tracking abilityCANON KK·Filed 1986·Granted Sep 5, 1989·26 cites·11 claims
- 0440US2007087081A1Stepwise driving force transmission deviceICHIKAWA IZUMI·Filed 2004·Application pending·0 cites
- 0532US4793000ALight signal receiverCANON KK·Filed 1986·Granted Dec 20, 1988·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →