Inventor · disambiguated record
Ryuichi Ishikawa
Also filed as: ISHIKAWA RYUICHI
19 granted patents·2 pending applications·202 citations·filing 1980–2023
94Inventor score
Files withMITSUBISHI CHEM CORP5NIPPON CATALYTIC CHEM IND5EBARA CORP4MITSUBISHI RAYON CO4ISHIKAWA RYUICHI1
Top patents by PatentIndex Score
21 records- 0191US10343352B2Fiber-reinforced resin material, molded article, method and device for manufacturing fiber-reinforced resin material, and fiber bundle group inspection deviceMITSUBISHI CHEM CORP·Filed 2016·Granted Jul 9, 2019·4 cites·4 claims
- 0288US10927479B2Producing device and producing method for chopped fiber bundles, producing device and producing method for fiber-reinforced resin forming materials, cutting blade for carbon fiber bundles, and rotary cutter for carbon fiber bundlesMITSUBISHI CHEM CORP·Filed 2018·Granted Feb 23, 2021·3 cites·15 claims
- 0388US5107757AApparatus for dewatering waste material by capillary actionEBARA CORP·Filed 1986·Granted Apr 28, 1992·35 cites·11 claims
- 0487USD720437SWell plateMITSUBISHI RAYON CO·Filed 2014·Granted Dec 30, 2014·42 cites·1 claims
- 0581US11951692B2Fiber-reinforced resin material, molded article, method and device for manufacturing fiber-reinforced resin material, and fiber bundle group inspection deviceMITSUBISHI CHEM CORP·Filed 2023·Granted Apr 9, 2024·0 cites·8 claims
- 0679US4324759AApparatus for treating waste gas by irradiation with electron beamsEBARA CORP·Filed 1980·Granted Apr 13, 1982·31 cites·5 claims
- 0774US11597165B2Fiber-reinforced resin material, molded article, method and device for manufacturing fiber-reinforced resin material, and fiber bundle group inspection deviceMITSUBISHI CHEM CORP·Filed 2019·Granted Mar 7, 2023·0 cites·19 claims
- 0867US5288299AExhaust gas treating apparatusEBARA CORP·Filed 1992·Granted Feb 22, 1994·31 cites·6 claims
- 0963US5304656AProcess for preparing alkylene sulfidesNIPPON CATALYTIC CHEM IND·Filed 1992·Granted Apr 19, 1994·9 cites·9 claims
- 1058US5821382AMethod for manufacturing thiol compoundsNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Oct 13, 1998·7 cites·13 claims
- 1150US2018354243A1Fiber-reinforced resin material laminate and manufacturing method for sameMITSUBISHI CHEM CORP·Filed 2018·Application pending·0 cites
- 1249US5959147AOrganic sulfide compound and method for production thereofNIPPON CATALYTIC CHEM IND·Filed 1997·Granted Sep 28, 1999·4 cites·6 claims
- 1346US6598508B1Optical fiber cutting deviceMITSUBISHI RAYON CO·Filed 1999·Granted Jul 29, 2003·11 cites·10 claims
- 1445US10247478B2Monolithic refractory structureNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Apr 2, 2019·0 cites·5 claims
- 1545US5127345ACombustion apparatus and combustion control method thereforEBARA CORP·Filed 1991·Granted Jul 7, 1992·12 cites·10 claims
- 1644USD728750SWell plateMITSUBISHI RAYON CO·Filed 2014·Granted May 5, 2015·5 cites·1 claims
- 1737US5478912AProcess for producing modified polyaminoamide, modified polyaminoamide produced thereby, and epoxy resin curing agent comprising the said modified polyaminoamideNIPPON CATALYTIC CHEM IND·Filed 1994·Granted Dec 26, 1995·2 cites·21 claims
- 1834US2006104872A1Fluidized-bed gasification furnaceISHIKAWA RYUICHI·Filed 2003·Application pending·0 cites
- 1932US7013776B2Device for cutting optical fiber and a method for cutting optical fiberMITSUBISHI RAYON CO·Filed 1998·Granted Mar 21, 2006·6 cites·3 claims
- 2028US5763620AProcess for producing alkylene sulfideFiled 1995·Granted Jun 9, 1998·0 cites·21 claims
- 2126US5833813AMethod of recovering and dehydrating ethylene sulfideNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Nov 10, 1998·0 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →