Inventor · disambiguated record
Hirotsune Watanabe
Also filed as: WATANABE HIROTSUNE
20 granted patents·9 pending applications·5 citations·filing 2012–2024
88Inventor score
Top patents by PatentIndex Score
29 records- 0191US10183322B2Method of reusing core sandTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 22, 2019·2 cites·6 claims
- 0276US10668525B2Method of reusing core sandTOYOTA MOTOR CO LTD·Filed 2018·Granted Jun 2, 2020·0 cites·3 claims
- 0375US11761070B2Method for manufacturing aluminum alloy memberTOYOTA MOTOR CO LTD·Filed 2021·Granted Sep 19, 2023·0 cites·1 claims
- 0475US9789533B2Sand for casting mold, manufacturing method for sand casting-mold, and core for metal castingSINTOKOGIO LTD·Filed 2013·Granted Oct 17, 2017·1 cites·19 claims
- 0572US11214857B2Method for manufacturing aluminum alloy memberTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 4, 2022·0 cites·3 claims
- 0671US10967421B2Method of reusing core sandTOYOTA MOTOR CO LTD·Filed 2020·Granted Apr 6, 2021·0 cites·5 claims
- 0771US2021129210A1Method of reusing core sandTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 0869US9314837B2Method for molding sand mold and sand moldMITSUTAKE MASAOMI·Filed 2012·Granted Apr 19, 2016·1 cites·8 claims
- 0968US9931691B2Molding method of sand mold using foamed sand, molding die, and sand moldTOYOTA MOTOR CO LTD·Filed 2014·Granted Apr 3, 2018·0 cites·4 claims
- 1066US12145196B2Method for manufacturing cast productTOYOTA MOTOR CO LTD·Filed 2024·Granted Nov 19, 2024·0 cites·3 claims
- 1166US2018169744A1Molding method of sand mold using foamed sand, molding die, and sand moldTOYOTA MOTOR CO LTD·Filed 2018·Application pending·0 cites
- 1262US9962868B2Device for forming foamed kneaded material and method for forming foamed kneaded materialSINTOKOGIO LTD·Filed 2013·Granted May 8, 2018·1 cites·13 claims
- 1361US11548059B2Mold release agent for coreTOYOTA MOTOR CO LTD·Filed 2021·Granted Jan 10, 2023·0 cites·3 claims
- 1461US9636849B2Mold release agent for water glass-containing sand mold moldingTOYOTA MOTOR CO LTD·Filed 2014·Granted May 2, 2017·0 cites·3 claims
- 1560US12420455B2Mold deviceTOYOTA MOTOR CO LTD·Filed 2023·Granted Sep 23, 2025·0 cites·6 claims
- 1657US11986878B2Die molding surface treatment deviceSINTOKOGIO LTD·Filed 2019·Granted May 21, 2024·0 cites·6 claims
- 1755US11633894B2Core molding deviceTOYOTA MOTOR CO LTD·Filed 2020·Granted Apr 25, 2023·0 cites·2 claims
- 1855US2023044543A1Mold replacement methodTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 1955US2024181522A1Surfactant composition for foam sandNOF CORP·Filed 2022·Application pending·0 cites
- 2054US2025214132A1Method of manufacturing coreTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 2151US2021130237A1Manufacturing method for mold adhesive, manufacturing method for mold, and moldTOYOTA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 2250US12152189B2Surfactant composition for foaming sandNOF CORP·Filed 2020·Granted Nov 26, 2024·0 cites·1 claims
- 2350US2016228942A1Mold forming apparatusTOYOTA MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 2449US10035181B2Apparatus and a method for reclaiming foundry sandSINTOKOGIO LTD·Filed 2013·Granted Jul 31, 2018·0 cites·7 claims
- 2548US2016045951A1Sand-mold molding method and sand-mold molding apparatusSINTOKOGIO LTD·Filed 2014·Application pending·0 cites
- 2648US2022226889A1Fluid heating furnace and heating methodTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 2744US11892337B2Measuring deviceSINTOKOGIO LTD·Filed 2019·Granted Feb 6, 2024·0 cites·7 claims
- 2843US10888919B2Core forming device and core forming methodTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 12, 2021·0 cites·7 claims
- 2942US10099278B2Mold-making device and mold-making methodSHINTOKOGIO LTD·Filed 2014·Granted Oct 16, 2018·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Hirotsune Watanabe 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 →