Inventor · disambiguated record
Shigetake Akanuma
Also filed as: AKANUMA SHIGETAKE
4 granted patents·35 citations·filing 1979–1984
74Inventor score
Files withKOMATSU MFG CO LTD4
Top patents by PatentIndex Score
4 records- 0171US4363518AMethod and apparatus for fracturing rock bedsKOMATSU MFG CO LTD·Filed 1979·Granted Dec 14, 1982·16 cites·11 claims
- 0244US4474410APower-driven, wedge-operated rock splitterKOMATSU MFG CO LTD·Filed 1982·Granted Oct 2, 1984·9 cites·23 claims
- 0334US4571002AHydraulic rock splitterKOMATSU MFG CO LTD·Filed 1984·Granted Feb 18, 1986·8 cites·4 claims
- 0426US4566736AApparatus for mechanically breaking up rockKOMATSU MFG CO LTD·Filed 1984·Granted Jan 28, 1986·2 cites·8 claims
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