Inventor · disambiguated record
Keiji Iijima
Also filed as: IIJIMA KEIJI
5 granted patents·125 citations·filing 1984–1992
83Inventor score
Top patents by PatentIndex Score
5 records- 0189US4571520AUltrasonic probe having a backing member of microballoons in urethane rubber or thermosetting resinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Feb 18, 1986·64 cites·14 claims
- 0268USD340692SElectrolytic capacitorNEC CORP·Filed 1990·Granted Oct 26, 1993·14 cites·1 claims
- 0364US5179507ASolid electrolytic capacitor equiped with an opening mechanismNEC CORP·Filed 1992·Granted Jan 12, 1993·27 cites·5 claims
- 0462US4720772AFused solid electrolytic capacitorNEC CORP·Filed 1987·Granted Jan 19, 1988·13 cites·11 claims
- 0550USD337567SElectrolytic capacitorNEC CORP·Filed 1990·Granted Jul 20, 1993·7 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →