Inventor · disambiguated record
Tatsuro Katsumura
Also filed as: KATSUMURA TATSURO
19 granted patents·3 pending applications·44 citations·filing 1996–2022
89Inventor score
Top patents by PatentIndex Score
22 records- 0190US12269079B2Rolling mill for diameter reducing rolling and method for manufacturing strip materialJFE STEEL CORP·Filed 2020·Granted Apr 8, 2025·1 cites·20 claims
- 0284US5778714AMethod for manufacturing seamless pipeNIPPON KOKAN KK·Filed 1996·Granted Jul 14, 1998·22 cites·22 claims
- 0379US11821051B2Apparatus line for manufacturing seamless steel pipe and tube and method of manufacturing duplex seamless stainless steel pipeJFE STEEL CORP·Filed 2019·Granted Nov 21, 2023·0 cites·2 claims
- 0474US12140265B2Seamless pipe and method for manufacturing sameJFE STEEL CORP·Filed 2021·Granted Nov 12, 2024·0 cites·20 claims
- 0572US9707614B2Tube expanding method for manufacturing metal tubeKATSUMURA TATSURO·Filed 2012·Granted Jul 18, 2017·3 cites·8 claims
- 0668US12157937B2Duplex stainless steel seamless pipe and method for manufacturing sameJFE STEEL CORP·Filed 2019·Granted Dec 3, 2024·0 cites·18 claims
- 0767US12359752B2Stainless steel pipe and method for manufacturing sameJFE STEEL CORP·Filed 2021·Granted Jul 15, 2025·0 cites·21 claims
- 0866US12172202B2Skew rolling apparatus, method for manufacturing seamless pipe shell, and method for manufacturing seamless steel pipeJFE STEEL CORP·Filed 2021·Granted Dec 24, 2024·0 cites·20 claims
- 0963US10544476B2Apparatus line for manufacturing seamless steel pipe and tube and method of manufacturing duplex seamless stainless steel pipeJFE STEEL CORP·Filed 2015·Granted Jan 28, 2020·0 cites·10 claims
- 1063US2025178116A1Electric resistance welded pipe or tube and method of producing sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1162US12331371B2Stainless steel pipe and method for manufacturing sameJFE STEEL CORP·Filed 2021·Granted Jun 17, 2025·0 cites·20 claims
- 1262US2024309480A1Duplex stainless steel pipe and method for manufacturing sameJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1361US11731184B2Rolling straightening machine and method of manufacturing a pipe or tube or a bar using sameJFE STEEL CORP·Filed 2020·Granted Aug 22, 2023·0 cites·12 claims
- 1459US10441982B2Plug for rolling of seamless steel pipe, method for manufacturing the same and method for manufacturing seamless steel pipe using the sameJFE STEEL CORP·Filed 2013·Granted Oct 15, 2019·0 cites·14 claims
- 1556US6073331AMethod for manufacturing seamless pipeNIPPON KOKAN KK·Filed 1998·Granted Jun 13, 2000·16 cites·7 claims
- 1654US10570471B2Equipment line for manufacturing seamless steel tube or pipe and method of manufacturing high-strength stainless steel seamless tube or pipe for oil wells using the equipment lineJFE STEEL CORP·Filed 2014·Granted Feb 25, 2020·0 cites·2 claims
- 1754US10562085B2Equipment line for manufacturing heavy-walled steel productsJFE STEEL CORP·Filed 2014·Granted Feb 18, 2020·0 cites·2 claims
- 1853US9506132B2Method for manufacturing heavy wall steel pipeJFE STEEL CORP·Filed 2013·Granted Nov 29, 2016·0 cites·8 claims
- 1947US10092949B2Method of manufacturing round steel billetJFE STEEL CORP·Filed 2014·Granted Oct 9, 2018·0 cites·4 claims
- 2046US10837073B2High-strength heavy-walled stainless steel seamless tube or pipe and method of manufacturing the sameJFE STEEL CORP·Filed 2015·Granted Nov 17, 2020·0 cites·4 claims
- 2141US2015027191A1Method of producing steel products having excellent internal qualityJFE STEET CORP·Filed 2013·Application pending·0 cites
- 2232US5816087AMethod for producing a seamless steel tubular productNIPPON KOKAN KK·Filed 1996·Granted Oct 6, 1998·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →