Inventor · disambiguated record
Kazumi Matsui
Also filed as: IWASAKI MASAMI · MATSUI KAZUMI
11 granted patents·91 citations·filing 1975–2021
89Inventor score
Files withFURUKAWA ELECTRIC CO LTD6KANAGAWA GIKEN LTD2HIGASHI NIPPON RYOKAKU TETSUDO1JAPAN NATIONAL RAILWAY1SUMITOMO RUBBER IND1
Top patents by PatentIndex Score
11 records- 0179US4197934ABelt conveyor transportation system utilizing magnetic attractionFURUKAWA ELECTRIC CO LTD·Filed 1977·Granted Apr 15, 1980·24 cites·11 claims
- 0274US4289227ABelt conveyer transportation system utilizing magnetic attractionFURUKAWA ELECTRIC CO LTD·Filed 1979·Granted Sep 15, 1981·19 cites·5 claims
- 0355US11306452B2Structure of sign pole and sign poleKANAGAWA GIKEN LTD·Filed 2021·Granted Apr 19, 2022·0 cites·9 claims
- 0453US4278164ABelt conveyor transportation system utilizing magnetic attractionFURUKAWA ELECTRIC CO LTD·Filed 1979·Granted Jul 14, 1981·9 cites·5 claims
- 0550US4202273ATravelling object control system utilizing power controlFURUKAWA ELECTRIC CO LTD·Filed 1977·Granted May 13, 1980·10 cites·8 claims
- 0643US10947683B2Structure of sign pole and sign poleKANAGAWA GIKEN LTD·Filed 2018·Granted Mar 16, 2021·0 cites·15 claims
- 0734US5408935ATransportation system using magnetic belt propulsionFURUKAWA ELECTRIC CO LTD·Filed 1993·Granted Apr 25, 1995·8 cites·6 claims
- 0834US4665831AElectric power supplying system for a continuous transit system by magnet (CTM)FURUKAWA ELECTRIC CO LTD·Filed 1985·Granted May 19, 1987·6 cites·7 claims
- 0932US4031990ASet of current collecting elements used for a current collecting rollerJAPAN NATIONAL RAILWAY·Filed 1975·Granted Jun 28, 1977·4 cites·9 claims
- 1027US5333553ACarriers for linear motor vehicle-borne field magnets which straddle ground-side coilsHIGASHI NIPPON RYOKAKU TETSUDO·Filed 1993·Granted Aug 2, 1994·5 cites·5 claims
- 1124US4657475AMethod for positioning seamed ballsSUMITOMO RUBBER IND·Filed 1985·Granted Apr 14, 1987·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →