Inventor · disambiguated record
Yoshihiko Koyanagi
Also filed as: KOYANAGI YOSHIHIKO
9 granted patents·12 pending applications·1 citations·filing 2007–2024
74Inventor score
Top patents by PatentIndex Score
21 records- 0178US10385426B2Ni-based superalloyDAIDO STEEL CO LTD·Filed 2018·Granted Aug 20, 2019·1 cites·6 claims
- 0272US12188113B2Austenitic stainless steel and hydrogen resistant memberDAIDO STEEL CO LTD·Filed 2023·Granted Jan 7, 2025·0 cites·7 claims
- 0372US2025101560A1Austenitic stainless steel and hydrogen resistant memberDAIDO STEEL CO LTD·Filed 2024·Application pending·0 cites
- 0471US2024247331A1Austenitic stainless steel for high-pressure hydrogen gas or liquid hydrogen, and manufacturing method thereforDAIDO STEEL CO LTD·Filed 2023·Application pending·0 cites
- 0569US11732331B2Ni-based alloy, and Ni-based alloy product and methods for producing the sameDAIDO STEEL CO LTD·Filed 2021·Granted Aug 22, 2023·0 cites·5 claims
- 0667US2024279764A1Martensitic stainless steel for hydrogen gas environment and manufacturing method thereforDAIDO STEEL CO LTD·Filed 2024·Application pending·0 cites
- 0766US10689723B2Ferritic stainless steel and heat-resistant memberDAIDO STEEL CO LTD·Filed 2018·Granted Jun 23, 2020·0 cites·18 claims
- 0866US2024209468A1Martensitic stainless steel material for hydrogen gas environment and manufacturing method thereforDAIDO STEEL CO LTD·Filed 2023·Application pending·0 cites
- 0965US2025188581A1Ferritic stainless steel and steel sheetDAIDO STEEL CO LTD·Filed 2024·Application pending·0 cites
- 1065US2025188583A1Ferritic stainless steel and steel sheetDAIDO STEEL CO LTD·Filed 2024·Application pending·0 cites
- 1162US2025051874A1Ferritic free-cutting stainless steelDAIDO STEEL CO LTD·Filed 2024·Application pending·0 cites
- 1261US12492457B2Precipitation hardening martensitic stainless steelDAIDO STEEL CO LTD·Filed 2021·Granted Dec 9, 2025·0 cites·12 claims
- 1360US2024150881A1Ferritic free-cutting stainless steel materialDAIDO STEEL CO LTD·Filed 2023·Application pending·0 cites
- 1459US2024141459A1Ni-BASED ALLOY AND METHOD FOR MANUFACTURING THE SAME, AND Ni-BASED ALLOY MEMBERDAIDO STEEL CO LTD·Filed 2023·Application pending·0 cites
- 1551US10526689B2Heat-resistant Ti alloy and process for producing the sameDAIDO STEEL CO LTD·Filed 2017·Granted Jan 7, 2020·0 cites·18 claims
- 1651US2023257859A1Soft magnetic member and intermediate therefor, methods respectively for producing said member and said intermediate, and alloy for soft magnetic memberDAIDO STEEL CO LTD·Filed 2021·Application pending·0 cites
- 1750US8512486B2Beta-type titanium alloy and product thereofKOYANAGI YOSHIHIKO·Filed 2007·Granted Aug 20, 2013·0 cites·14 claims
- 1849US11193195B2Component for hot-dip metal plating bathTOCALO CO LTD·Filed 2018·Granted Dec 7, 2021·0 cites·15 claims
- 1946US2020150079A1Gas sensorDENSO CORP·Filed 2020·Application pending·0 cites
- 2046US2019368006A1PREFORM AND METHOD FOR PRODUCING TiAl-BASED TURBINE WHEELDAIDO STEEL CO LTD·Filed 2019·Application pending·0 cites
- 2135US9670787B2Ti—Al-based heat-resistant memberKOYANAGI YOSHIHIKO·Filed 2015·Granted Jun 6, 2017·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →