Inventor · disambiguated record
Kenichiro Eguchi
Also filed as: EGUCHI KENICHIRO
28 granted patents·11 pending applications·68 citations·filing 1986–2022
94Inventor score
Top patents by PatentIndex Score
39 records- 0197US11306369B2High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing sameJFE STEEL CORP·Filed 2018·Granted Apr 19, 2022·7 cites·4 claims
- 0296US9708681B2High-strength seamless steel pipe for oil well use having excellent resistance to sulfide stress crackingJFE STEEL CORP·Filed 2012·Granted Jul 18, 2017·13 cites·24 claims
- 0395US10876183B2High-strength seamless stainless steel pipe and method of manufacturing high-strength seamless stainless steel pipeJFE STEEL CORP·Filed 2016·Granted Dec 29, 2020·4 cites·8 claims
- 0494US11085095B2High-strength seamless stainless steel pipe for oil country tubular goods and method of manufacturing high-strength seamless stainless steel pipeJFE STEEL CORP·Filed 2016·Granted Aug 10, 2021·3 cites·17 claims
- 0594US10151011B2High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Dec 11, 2018·8 cites·22 claims
- 0690US11072835B2High-strength seamless stainless steel pipe for oil country tubular goods, and method for producing the sameJFE STEEL CORP·Filed 2017·Granted Jul 27, 2021·2 cites·16 claims
- 0787US9758850B2High strength stainless steel seamless pipe with excellent corrosion resistance for oil well and method of manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Sep 12, 2017·3 cites·20 claims
- 0885US9234254B2High-strength seamless steel tube, having excellent resistance to sulfide stress cracking, for oil wells and method for manufacturing the sameEGUCHI KENICHIRO·Filed 2010·Granted Jan 12, 2016·4 cites·10 claims
- 0982US10975450B2Low alloy high strength thick-walled seamless steel pipe for oil country tubular goodsJFE STEEL CORP·Filed 2016·Granted Apr 13, 2021·1 cites·2 claims
- 1080US11167998B2Calcium carbonate and production method thereforSHIRAISHI KOGYO KAISHA LTD·Filed 2018·Granted Nov 9, 2021·1 cites·8 claims
- 1177US9932651B2Thick-walled high-strength seamless steel pipe with excellent sour resistance for pipe for pipeline, and process for producing sameISHIGURO YASUHIDE·Filed 2012·Granted Apr 3, 2018·2 cites·18 claims
- 1276US10240221B2Stainless steel seamless pipe for oil well use and method for manufacturing the sameJFE STEEL CORP·Filed 2014·Granted Mar 26, 2019·1 cites·17 claims
- 1372US10151012B2High-strength stainless steel pipeJFE STEEL CORP·Filed 2014·Granted Dec 11, 2018·1 cites·2 claims
- 1468US12398436B2High-strength stainless steel seamless pipe for oil country tubular goods and method for manufacturing sameJFE STEEL CORP·Filed 2021·Granted Aug 26, 2025·0 cites·12 claims
- 1568US11655526B2Duplex stainless steel and method for producing sameJFE STEEL CORP·Filed 2017·Granted May 23, 2023·0 cites·6 claims
- 1668US2025003042A1High-strength seamless stainless steel pipe for oil wellsJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1766US11702530B2Surface-treated calcium carbonate and production method therefor, and vinyl chloride-based resin composition and molded body thereofSHIRAISHI KOGYO KAISHA LTD·Filed 2020·Granted Jul 18, 2023·0 cites·7 claims
- 1866US2024191331A1Stainless steel pipe and method for manufacturing the sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1966US2024410499A1High-strength stainless seamless steel pipe for oil wells and method for producing the sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2065US2024124949A1High-strength stainless steel seamless pipe for oil country tubular goods and method for manufacturing sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2164US11939448B2Light reflecting bodySHIRAISHI KOGYO KAISHA LTD·Filed 2021·Granted Mar 26, 2024·0 cites·4 claims
- 2261US12264376B2Duplex stainless steel and method for manufacturing same, and duplex stainless steel pipeJFE STEEL CORP·Filed 2020·Granted Apr 1, 2025·0 cites·6 claims
- 2360US2023107887A1Stainless steel seamless pipe for oil country tubular goods and method for manufacturing the sameJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 2459US11566301B2Dual-phase stainless steel, and method of production thereofJFE STEEL CORP·Filed 2017·Granted Jan 31, 2023·0 cites·4 claims
- 2559US11268161B2High strength seamless stainless steel pipe and method for producing sameJFE STEEL CORP·Filed 2017·Granted Mar 8, 2022·0 cites·8 claims
- 2658US2023033540A1High-strength seamless stainless steel pipe for oil wellJFE STEEL CORP·Filed 2020·Application pending·0 cites
- 2757US10023930B2Method of manufacturing high strength stainless steel tube or pipeJFE STEEL CORP·Filed 2013·Granted Jul 17, 2018·0 cites·3 claims
- 2856US4743501AMagnetic recording mediumTDK CORP·Filed 1986·Granted May 10, 1988·18 cites·19 claims
- 2956US2023271845A1Method for producing calcium carbonate and calcium carbonateSHIRAISHI KOGYO KAISHA LTD·Filed 2021·Application pending·0 cites
- 3055US2011132501A1Martensitic stainless steel seamless tube for oil country tubular goods and manufacturing method thereofJFE STEEL CORP·Filed 2008·Application pending·0 cites
- 3154US11485844B2Resin composition and injection-molded articleTOYODA GOSEI KK·Filed 2020·Granted Nov 1, 2022·0 cites·5 claims
- 3254US11414719B2High strength stainless steel seamless pipe for oil country tubular goodsJFE STEEL CORP·Filed 2016·Granted Aug 16, 2022·0 cites·5 claims
- 3353US11286548B2High-strength stainless steel seamless pipe for oil country tubular goods, and method for manufacturing sameJFE STEEL CORP·Filed 2018·Granted Mar 29, 2022·0 cites·9 claims
- 3452US2015368734A1Method and facility for manufacturing seamless steel pipe with excellent toughnessJFE STEEL CORP·Filed 2014·Application pending·0 cites
- 3551US9422416B2Resin compositionEGUCHI KENICHIRO·Filed 2011·Granted Aug 23, 2016·0 cites·9 claims
- 3649US2019241989A1Martensitic stainless steel seamless pipe for oil country tubular goods, and method for producing sameJFE STEEL CORP·Filed 2017·Application pending·0 cites
- 3747US10995200B2Kaolin clay for thermoplastic resin composition and thermoplastic resin compositionSHIRAISHI KOGYO KAISHA LTD·Filed 2017·Granted May 4, 2021·0 cites·5 claims
- 3845US11384220B2White resin compositionSHIRAISHI KOGYO KAISHA LTD·Filed 2016·Granted Jul 12, 2022·0 cites·7 claims
- 3934US2018370190A1Light reflectorSHIRAISHI KOGYO KAISHA LTD·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kenichiro Eguchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →