Inventor · disambiguated record
Hirotsugu Iwasaki
Also filed as: IWASAKI HIROTSUGU
5 granted patents·3 pending applications·5 citations·filing 1979–2022
64Inventor score
Top patents by PatentIndex Score
8 records- 0170US12467119B2Diamond sintered material and tool including diamond sintered materialSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2021·Granted Nov 11, 2025·0 cites·5 claims
- 0267US12404570B2Diamond sintered material and tool including diamond sintered materialSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted Sep 2, 2025·0 cites·5 claims
- 0359US2025320583A1Sintered material and cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Application pending·0 cites
- 0457US2024091862A1Sintered material and cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2021·Application pending·0 cites
- 0557US2024001453A1Cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2021·Application pending·0 cites
- 0654US12128482B2Diamond joined body and method for manufacturing diamond joined bodySUMITOMO ELECTRIC HARDMETAL CORP·Filed 2019·Granted Oct 29, 2024·0 cites·5 claims
- 0753US11975392B2Cutting tool and method for manufacturing sameSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted May 7, 2024·0 cites·17 claims
- 0827US4278442AMethod for reducing caking property of coalMATSUDA MINORU·Filed 1979·Granted Jul 14, 1981·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →