Inventor · disambiguated record
Fumio Nakai
Also filed as: NAKAI FUMIO
5 granted patents·1 pending application·100 citations·filing 1979–2017
81Inventor score
Top patents by PatentIndex Score
6 records- 0188US4518914ATesting apparatus of semiconductor wafersJAPAN ELECTRONIC MATERIALS·Filed 1982·Granted May 21, 1985·61 cites·5 claims
- 0260US5250590AFlame retardant resin compositionSUMITOMO NAUGATUCK·Filed 1991·Granted Oct 5, 1993·14 cites·1 claims
- 0349US4419491AThermoplastic resin composition excellent in color developmentSUMITOMO NAUGATUCK·Filed 1982·Granted Dec 6, 1983·11 cites·10 claims
- 0447US4373063AElastomeric compositionSUMITOMO NAUGATUCK·Filed 1981·Granted Feb 8, 1983·10 cites·16 claims
- 0543US2019100408A1Rope deterioration detectionOTIS ELEVATOR CO·Filed 2017·Application pending·0 cites
- 0629US4271230AFoamed urethane compositeSUMITOMO NAUGATUCK·Filed 1979·Granted Jun 2, 1981·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →