Inventor · disambiguated record
Yoshitsugu Sumino
Also filed as: SUMINO YOSHITSUGU
6 granted patents·103 citations·filing 1984–1996
84Inventor score
Technology areasB63H
Files withSANSHIN KOGYO KK6
Top patents by PatentIndex Score
6 records- 0186US5800223AMarine propulsion deviceSANSHIN KOGYO KK·Filed 1996·Granted Sep 1, 1998·34 cites·39 claims
- 0283US5807151APropeller for marine propulsion driveSANSHIN KOGYO KK·Filed 1996·Granted Sep 15, 1998·28 cites·28 claims
- 0361US5759073ADual propeller system for marine driveSANSHIN KOGYO KK·Filed 1996·Granted Jun 2, 1998·13 cites·32 claims
- 0455US4578040AFish line entering prevention device for marine propellerSANSHIN KOGYO KK·Filed 1984·Granted Mar 25, 1986·11 cites·4 claims
- 0549US4609361AFish line and weed cutter for marine propellerSANSHIN KOGYO KK·Filed 1984·Granted Sep 2, 1986·12 cites·10 claims
- 0640US5310371ATandem propeller assembly for a marine propulsion unitSANSHIN KOGYO KK·Filed 1992·Granted May 10, 1994·5 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →