Inventor · disambiguated record
Masashi Yamada
Also filed as: YAMADA MASASHI
3 granted patents·2 citations·filing 2019–2021
49Inventor score
Top patents by PatentIndex Score
3 records- 0171US11198187B2Oil hole reamerSUMITOMO ELECTRIC TOOL NET INC·Filed 2019·Granted Dec 14, 2021·2 cites·4 claims
- 0248US11660691B2ReamerSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2020·Granted May 30, 2023·0 cites·4 claims
- 0331US12508661B2DrillSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2021·Granted Dec 30, 2025·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →