Inventor · disambiguated record
Ryoji Nakagawa
Also filed as: NAKAGAWA RYOJI
8 granted patents·1 pending application·94 citations·filing 1990–2018
84Inventor score
Top patents by PatentIndex Score
9 records- 0179US8988176B2Superconducting electromagnet device, cooling method therefor, and magnetic resonance imaging deviceHITACHI LTD·Filed 2012·Granted Mar 24, 2015·11 cites·10 claims
- 0275US6409189B1Suspension arm mounting structureHONDA MOTOR CO LTD·Filed 1999·Granted Jun 25, 2002·43 cites·4 claims
- 0372US8989828B2Superconducting magnet apparatusHITACHI LTD·Filed 2013·Granted Mar 24, 2015·2 cites·20 claims
- 0468US4977512AThree dimensional simultaneous machining and measuring systemSHIBUYA KOGYO CO LTD·Filed 1990·Granted Dec 11, 1990·35 cites·4 claims
- 0561US11029254B2Welding monitoring system and welding monitoring methodHITACHI LTD·Filed 2018·Granted Jun 8, 2021·0 cites·4 claims
- 0661US10935500B2Welding monitoring system and welding monitoring methodHITACHI LTD·Filed 2017·Granted Mar 2, 2021·0 cites·8 claims
- 0749US2015111753A1Superconducting magnet apparatusHITACHI LTD·Filed 2014·Application pending·0 cites
- 0846US12042877B2Welding management systemHITACHI LTD·Filed 2018·Granted Jul 23, 2024·0 cites·8 claims
- 0930US5910331AMethod of freeze-preserving vegetablesFiled 1995·Granted Jun 8, 1999·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →