Inventor · disambiguated record
Ryu Hirayama
Also filed as: HIRAYAMA RYU
19 granted patents·7 pending applications·11 citations·filing 2005–2025
88Inventor score
Top patents by PatentIndex Score
26 records- 0192US11973369B2Laminated core with center electrical steel sheets adhered with adhesive and some electrical steel sheets fixed to each other on both ends of the center sheetsNIPPON STEEL CORP·Filed 2019·Granted Apr 30, 2024·5 cites·8 claims
- 0284US12074476B2Adhesively-laminated core for stator and electric motorNIPPON STEEL CORP·Filed 2019·Granted Aug 27, 2024·2 cites·6 claims
- 0383US11710990B2Laminated core with circumferentially spaced adhesion parts on teethNIPPON STEEL CORP·Filed 2019·Granted Jul 25, 2023·2 cites·10 claims
- 0482US11996231B2Laminated core and electric motorNIPPON STEEL CORP·Filed 2019·Granted May 28, 2024·2 cites·14 claims
- 0571US12479199B2Bonded and stacked core manufacturing method and bonded and stacked core manufacturing apparatusNIPPON STEEL CORP·Filed 2022·Granted Nov 25, 2025·0 cites·10 claims
- 0663US12404805B2Combined cycle power generation facilityTOSHIBA KK·Filed 2024·Granted Sep 2, 2025·0 cites·6 claims
- 0762US12500027B2Wound coreNIPPON STEEL CORP·Filed 2020·Granted Dec 16, 2025·0 cites·11 claims
- 0862US12394552B2Wound coreNIPPON STEEL CORP·Filed 2020·Granted Aug 19, 2025·0 cites·12 claims
- 0962US12261482B2Laminated core and electric motorNIPPON STEEL CORP·Filed 2019·Granted Mar 25, 2025·0 cites·22 claims
- 1061US12154711B2Adhesively-laminated core for stator and electric motorNIPPON STEEL CORP·Filed 2019·Granted Nov 26, 2024·0 cites·6 claims
- 1160US12068097B2Laminated core, core block, electric motor and method of producing core blockNIPPON STEEL CORP·Filed 2019·Granted Aug 20, 2024·0 cites·27 claims
- 1258US12126217B2Core block, laminated core, and electric motorNIPPON STEEL CORP·Filed 2020·Granted Oct 22, 2024·0 cites·18 claims
- 1358US12081068B2Laminated core with some electrical steel sheets adhered with adhesive and some electrical steel sheets fixed to each otherNIPPON STEEL CORP·Filed 2019·Granted Sep 3, 2024·0 cites·13 claims
- 1458US2024209482A1Electrical steel sheet and bonded and stacked core manufacturing methodNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 1557US2025132614A1Stacked core and rotating electrical machineNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 1656US11915860B2Laminated core and electric motorNIPPON STEEL CORP·Filed 2019·Granted Feb 27, 2024·0 cites·13 claims
- 1754US11979059B2Laminated core and electric motorNIPPON STEEL CORP·Filed 2019·Granted May 7, 2024·0 cites·9 claims
- 1854US11863017B2Laminated core and electric motorNIPPON STEEL CORP·Filed 2019·Granted Jan 2, 2024·0 cites·7 claims
- 1953US2025154884A1Combined cycle power generation facilityTOSHIBA KK·Filed 2025·Application pending·0 cites
- 2053US2023253140A1Adhesively-laminated core manufacturing method and adhesively-laminated core manufacturing deviceNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 2152US12381028B2Laminated core and electrical deviceNIPPON STEEL CORP·Filed 2020·Granted Aug 5, 2025·0 cites·7 claims
- 2250US8047265B2Electromagnetic stirrer coilNIPPON STEEL CORP·Filed 2011·Granted Nov 1, 2011·0 cites·3 claims
- 2349US2025129728A1Steam turbine power generation facility using oxygen-hydrogen combustionTOSHIBA KK·Filed 2024·Application pending·0 cites
- 2447US11923130B2Laminated core and electric motorNIPPON STEEL CORP·Filed 2019·Granted Mar 5, 2024·0 cites·10 claims
- 2545US2007256809A1Electromagnetic Stirrer CoilHARADA HIROSHI·Filed 2005·Application pending·0 cites
- 2644US2022006336A1Adhesively-laminated core for stator and electric motorNIPPON STEEL CORP·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →