Inventor · disambiguated record
Hiroshi Kusumi
Also filed as: KUSUMI HIROSHI
4 granted patents·55 citations·filing 1980–1998
75Inventor score
Top patents by PatentIndex Score
4 records- 0166US6252630B1Receiver and receiving methodSONY CORP·Filed 1998·Granted Jun 26, 2001·38 cites·14 claims
- 0236US5263899ACylindrical telescopic kelly-bar apparatusHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Nov 23, 1993·7 cites·16 claims
- 0335US4326736ASwivel joint for reverse circulation drillHITACHI CONSTRUCTION MACHINERY·Filed 1980·Granted Apr 27, 1982·8 cites·7 claims
- 0422US4984936AStopper apparatus for rotary reaction forceHITACHI CONSTRUCTION MACHINERY·Filed 1989·Granted Jan 15, 1991·2 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →