Inventor · disambiguated record
Kotaro Toyotake
Also filed as: TOYOTAKE KOTARO
8 granted patents·5 pending applications·14 citations·filing 2007–2016
79Inventor score
Top patents by PatentIndex Score
13 records- 0191US9482302B2Process for manufacturing seamless steel pipe, hollow spring utilizing seamless steel pipeSHINKO METAL PROD·Filed 2013·Granted Nov 1, 2016·7 cites·13 claims
- 0286US8801444B2Busbar and busbar manufacturing methodSAKAE AKIRA·Filed 2011·Granted Aug 12, 2014·5 cites·10 claims
- 0375US9689051B2Hollow seamless pipe for high-strength springsHATANO HITOSHI·Filed 2010·Granted Jun 27, 2017·2 cites·5 claims
- 0455US2017001226A1Process for manufacturing seamless steel pipe, hollow spring utilizing seamless steel pipeSHINKO METAL PROD·Filed 2016·Application pending·0 cites
- 0553US9429255B2Hollow seamless pipe for high-strength springKOBE STEEL LTD·Filed 2013·Granted Aug 30, 2016·0 cites·18 claims
- 0649US10118208B2Hollow spring utilizing seamless steel pipeSHINKO METAL PROD·Filed 2014·Granted Nov 6, 2018·0 cites·10 claims
- 0748US9804198B2Alloy material, contact probe, and connection terminalYAMAMOTO PRECIOUS METAL CO LTD·Filed 2013·Granted Oct 31, 2017·0 cites·10 claims
- 0847US2010037976A1Seamless steel pipe, hollow spring utilizing seamless steel pipe, and process for manufacturing the sameSHINKO PRODUCTS CO LTD·Filed 2007·Application pending·0 cites
- 0946US2013062041A1Multi-layered heat transfer tube, manufacturing method of multi-layered heat transfer tube, and forming device used in the manufacturing methodSAKAE AKIRA·Filed 2011·Application pending·0 cites
- 1044US10889878B2Alloy material, contact probe, and connection terminalNHK SPRING CO LTD·Filed 2016·Granted Jan 12, 2021·0 cites·19 claims
- 1144US9650704B2Seamless steel pipe for hollow springKOBE STEEL LTD·Filed 2013·Granted May 16, 2017·0 cites·9 claims
- 1241US2018265952A1Hollow seamless steel pipe for springKOBE STEEL LTD·Filed 2016·Application pending·0 cites
- 1338US2012325364A1Seamless steel pipe for high-strength hollow springKOCHI TAKUYA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →