Inventor · disambiguated record
Rikio Yokota
Also filed as: YOKOTA RIKIO
11 granted patents·2 pending applications·61 citations·filing 1995–2022
85Inventor score
Top patents by PatentIndex Score
13 records- 0188US6281323B1Terminal-modified imide oligomers and cured products thereofUBE INDUSTRIES·Filed 1999·Granted Aug 28, 2001·43 cites·7 claims
- 0279US2023042415A1Polyamic acid having specific composition, varnish, cured product, and composite materialKANEKA CORP·Filed 2022·Application pending·0 cites
- 0374US12305003B2Polyamic acid having specific composition, varnish, cured product, and composite materialKANEKA CORP·Filed 2021·Granted May 20, 2025·0 cites·13 claims
- 0471US8846552B2Soluble terminally modified imide oligomer using 2-phenyl-4, 4′-diaminodiphenyl ether, varnish, cured product thereof, imide prepreg thereof, and fiber-reinforced laminate having excellent heat resistanceMIYAUCHI MASAHIKO·Filed 2009·Granted Sep 30, 2014·2 cites·19 claims
- 0569US10815390B2Polyimide resin composition and varnish produced from terminal-modified imide oligomer prepared using 2-phenyl-4,4′-diaminodiphenyl ether and thermoplastic aromatic polyimide prepared using oxydiphthalic acid, polyimide resin composition molded article and prepreg having excellent heat resistance and mechanical characteristic, and fiber-reinforced composite material thereofKANEKA CORP·Filed 2018·Granted Oct 27, 2020·0 cites·10 claims
- 0664US10017666B2Polyimide resin composition and varnish produced from terminal-modified imide oligomer prepared using 2-phenyl-4,4′-diaminodiphenyl ether and thermoplastic aromatic polyimide prepared using oxydiphthalic acid, polyimide resin composition molded article and prepreg having excellent heat resistance and mechanical characteristic, and fiber-reinforced composite material thereofKANEKA CORP·Filed 2014·Granted Jul 10, 2018·0 cites·13 claims
- 0763US11492446B2Semipreg, prepreg, resin composite material, and production methods thereofKANEKA CORP·Filed 2018·Granted Nov 8, 2022·0 cites·13 claims
- 0861US2021340327A1Imide oligomer, varnish, cured products thereof, and prepreg and fiber-reinforced composite material using theseKANEKA CORP·Filed 2021·Application pending·0 cites
- 0960US7019103B2Polyamic acid oligomer, polyimide oligomer, solution composition, and fiber-reinforced composite materialUBE INDUSTRIES·Filed 2004·Granted Mar 28, 2006·4 cites·11 claims
- 1057US10526450B2Terminally modified imide oligomer, varnish, cured products thereof, film, and imide prepreg and fiber-reinforced composite material using theseKANEKA CORP·Filed 2018·Granted Jan 7, 2020·0 cites·14 claims
- 1141US10047246B2Varnish including 2-phenyl-4,4′-diaminodiphenyl ether, imide resin composition having excellent moldability, cured resin molded article having excellent breaking elongation, prepreg thereof, imide prepreg thereof, and fiber-reinforced material thereof having high heat resistance and excellent mechanical strengthKANEKA CORP·Filed 2015·Granted Aug 14, 2018·0 cites·16 claims
- 1241US9051430B2Resin-transfer-moldable terminal-modified imide oligomer using 2-phenyl-4,4′diaminodiphenyl ether and having excellent moldability, mixture thereof, varnish containing same, and cured resin thereof and fiber-reinforced cured resin thereof made by resin transfer molding and having excellent heat resistanceMIYAUCHI MASAHIKO·Filed 2012·Granted Jun 9, 2015·0 cites·4 claims
- 1339US5694769ALiquid oxidizer immersion type hybrid rocketDIRECTOR GENERAL OF THE INST O·Filed 1995·Granted Dec 9, 1997·12 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →