Inventor · disambiguated record
Ryuichi Nakagawa
Also filed as: NAKAGAWA RYUICHI
11 granted patents·1 pending application·73 citations·filing 1974–2024
88Inventor score
Files withNAT RES INST METALS4KOKUSAI ELECTRIC CORP3LION FAT OIL CO LTD3FUJI SHOJI CO LTD1TAKAGI CHIKARA1
Top patents by PatentIndex Score
12 records- 0169US4272396AEnzyme-containing detergent compositionLION FAT OIL CO LTD·Filed 1979·Granted Jun 9, 1981·25 cites·9 claims
- 0268US8485806B2Tire vulcanizing deviceTAKAGI CHIKARA·Filed 2010·Granted Jul 16, 2013·1 cites·4 claims
- 0366US4419128AContinuous melting, refining and casting processNAT RES INST METALS·Filed 1982·Granted Dec 6, 1983·15 cites·19 claims
- 0461US7901608B2Tire vulcanizing method and vulcanizer for performing the methodFUJI SHOJI CO LTD·Filed 2004·Granted Mar 8, 2011·4 cites·3 claims
- 0558US2025118567A1Method of processing substrate, method of manufacturing semiconductor device, substrate processing apparatus, and recording mediumKOKUSAI ELECTRIC CORP·Filed 2024·Application pending·0 cites
- 0656US4023962AProcess for regenerating or producing steel from steel scrap or reduced ironNAT RES INST METALS·Filed 1975·Granted May 17, 1977·5 cites·8 claims
- 0748US11299804B2Method of manufacturing semiconductor device, non-transitory computer-readable recording medium and substrate processing apparatusKOKUSAI ELECTRIC CORP·Filed 2019·Granted Apr 12, 2022·0 cites·9 claims
- 0847US11866822B2Vaporizer, substrate processing apparatus, and method of manufacturing semiconductor deviceKOKUSAI ELECTRIC CORP·Filed 2020·Granted Jan 9, 2024·0 cites·14 claims
- 0946US4140657AGranular detergent compositionLION FAT OIL CO LTD·Filed 1977·Granted Feb 20, 1979·10 cites·2 claims
- 1043US4071687AElectric arc furnace for continuous melting of directly reduced iron or directly reduced iron oreNAT RES INST METALS·Filed 1976·Granted Jan 31, 1978·6 cites·3 claims
- 1134US4164478AProcess for improving granular detergentsLION FAT OIL CO LTD·Filed 1978·Granted Aug 14, 1979·5 cites·9 claims
- 1229US3937868AInduction melting furnaceNAT RES INST METALS·Filed 1974·Granted Feb 10, 1976·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →