Inventor · disambiguated record
Hiroki Kamitani
Also filed as: KAMITANI HIROKI
16 granted patents·6 pending applications·4 citations·filing 2016–2023
85Inventor score
Top patents by PatentIndex Score
22 records- 0192US11155893B2Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted Oct 26, 2021·2 cites·7 claims
- 0285US11313005B2Seamless steel pipe and method for producing the seamless steel pipeNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Apr 26, 2022·2 cites·28 claims
- 0371US12054798B2Steel material and method for producing steel materialNIPPON STEEL CORP·Filed 2019·Granted Aug 6, 2024·0 cites·7 claims
- 0470US11332813B2Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted May 17, 2022·0 cites·7 claims
- 0568US11174539B2Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted Nov 16, 2021·0 cites·10 claims
- 0668US2025179618A1Steel materialNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 0768US2025215544A1Steel materialNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 0867US2025066891A1Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2023·Application pending·0 cites
- 0965US11078558B2Steel material, oil-well steel pipe, and method for producing steel materialNIPPON STEEL CORP·Filed 2017·Granted Aug 3, 2021·0 cites·19 claims
- 1064US12435401B2Steel materialNIPPON STEEL CORP·Filed 2021·Granted Oct 7, 2025·0 cites·8 claims
- 1164US11773460B2Steel pipe and method for producing steel pipeNIPPON STEEL CORP·Filed 2019·Granted Oct 3, 2023·0 cites·10 claims
- 1263US11905580B2Seamless steel pipe suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted Feb 20, 2024·0 cites·17 claims
- 1363US11434554B2Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2019·Granted Sep 6, 2022·0 cites·11 claims
- 1459US11891680B2Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Granted Feb 6, 2024·0 cites·10 claims
- 1559US11643712B2Steel pipe and method for producing steel pipeNIPPON STEEL CORP·Filed 2019·Granted May 9, 2023·0 cites·10 claims
- 1657US12371765B2Seamless steel pipe suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Granted Jul 29, 2025·0 cites·17 claims
- 1754US10487373B2Steel pipe for line pipe and method of manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Nov 26, 2019·0 cites·20 claims
- 1853US11898216B2Seamless steel pipe heat-treatment-finishing-treatment continuous facilityNIPPON STEEL CORP·Filed 2019·Granted Feb 13, 2024·0 cites·13 claims
- 1951US2022098712A1Steel material suitable for use in sour environmentNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 2050US2019376167A1Steel Material and Method for Producing Steel MaterialNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 2147US11066718B2Method of manufacturing stainless pipe for oil wells and stainless steel pipe for oil wellsNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Jul 20, 2021·0 cites·12 claims
- 2241US2018355451A1Seamless steel pipe and method of manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →