Inventor · disambiguated record
Ryukichi Takahashi
Also filed as: TAKAHASHI RYUKICHI
6 granted patents·76 citations·filing 1991–1995
83Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0174US5094173ASuperconducting magnetic levitated train, train system method of controlling the same, and superconducting coil for magnetic levitated trainHITACHI LTD·Filed 1991·Granted Mar 10, 1992·34 cites·12 claims
- 0259US5189386AAluminum-stabilized superconductor and superconducting coil, and method of manufacturing the superconductorHITACHI LTD·Filed 1991·Granted Feb 23, 1993·21 cites·32 claims
- 0339US5598710ASuperconducting apparatus and method for operating said superconducting apparatusHITACHI LTD·Filed 1995·Granted Feb 4, 1997·11 cites·22 claims
- 0438US5628835ANb3 Al Group superconductor containing ultrafine Nb2 Al particlesHITACHI LTD·Filed 1993·Granted May 13, 1997·5 cites·2 claims
- 0532US5396205AUnspliced superconducting coil device with high stabilityHITACHI LTD·Filed 1992·Granted Mar 7, 1995·3 cites·4 claims
- 0631US5620532AMethod for manufacturing Nb3 Al group superconductorHITACHI LTD·Filed 1995·Granted Apr 15, 1997·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →