Inventor · disambiguated record
Fumio Asano
Also filed as: ASANO FUMIO
11 granted patents·1 pending application·123 citations·filing 1979–2021
89Inventor score
Top patents by PatentIndex Score
12 records- 0181US10073414B2Image forming apparatus with printer unit and air-cooled reader unitCANON KK·Filed 2017·Granted Sep 11, 2018·3 cites·15 claims
- 0281US5201873ASheet feeding apparatus having the ability to retract the sheet supplyCANON KK·Filed 1991·Granted Apr 13, 1993·51 cites·20 claims
- 0380US4307440AStabilized switching voltage regulator comprising means for preventing overloads due to initial surge currentsRICOH KK·Filed 1979·Granted Dec 22, 1981·32 cites·11 claims
- 0458US4723174APicture image processorFUJI XEROX CO LTD·Filed 1986·Granted Feb 2, 1988·15 cites·8 claims
- 0552US11504679B2Gas-liquid mixing deviceMTEC CO LTD·Filed 2021·Granted Nov 22, 2022·0 cites·6 claims
- 0648US4633271AOptical writing deviceRICOH KK·Filed 1983·Granted Dec 30, 1986·8 cites·10 claims
- 0740US2021213400A1Gas-liquid mixing deviceMTEC CO LTD·Filed 2020·Application pending·0 cites
- 0839US4796093AMethod and system of driving light sourceFUJI XEROX CO LTD·Filed 1986·Granted Jan 3, 1989·6 cites·16 claims
- 0937US4887103AImage forming apparatus and developing device thereofCANON KK·Filed 1989·Granted Dec 12, 1989·4 cites·12 claims
- 1036US5032868AElectrophotographic copying apparatus for copying an original placed on an original supporting table and for copying an original from a board surfaceCANON KK·Filed 1989·Granted Jul 16, 1991·3 cites·5 claims
- 1135US7187902B2Image forming apparatusCANON KK·Filed 2004·Granted Mar 6, 2007·0 cites·10 claims
- 1227US4916469AImage-forming apparatusCANON KK·Filed 1989·Granted Apr 10, 1990·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →