Inventor · disambiguated record
Ryusei Hamada
Also filed as: HAMADA RYUSEI
5 granted patents·28 citations·filing 2017–2022
75Inventor score
Technology areasB23B
Files withSUMITOMO ELECTRIC HARDMETAL CORP5
Top patents by PatentIndex Score
5 records- 0178US10766077B2Cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2017·Granted Sep 8, 2020·2 cites·8 claims
- 0277USD823909SDrill headSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2017·Granted Jul 24, 2018·20 cites·1 claims
- 0369USD1029060SDrill holderSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Granted May 28, 2024·4 cites·1 claims
- 0459USD1029896SDrill headSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Granted Jun 4, 2024·2 cites·1 claims
- 0558US12377474B2Drill head and drillSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2021·Granted Aug 5, 2025·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →