Assignee
K SEVEN KK
JP·8 granted patents·87 citations·filing 1991–2021
Top patents by PatentIndex Score
8 records- 0183US5284455AShaft coupling having multiple rib connectorsK SEVEN KK·Filed 1992·Granted Feb 8, 1994·38 cites·3 claims
- 0276US5267903AShaft couplingK SEVEN KK·Filed 1991·Granted Dec 7, 1993·29 cites·4 claims
- 0358US12448106B2Gate rudder including left rudder and right rudder disposed left and right of propeller of shipK SEVEN KK·Filed 2021·Granted Oct 21, 2025·0 cites·13 claims
- 0449US9937992B2Steering device and method for steering the sameK SEVEN KK·Filed 2014·Granted Apr 10, 2018·0 cites·9 claims
- 0549US5324234AShaft couplingK SEVEN KK·Filed 1992·Granted Jun 28, 1994·12 cites·8 claims
- 0648US12415593B2RudderK SEVEN KK·Filed 2021·Granted Sep 16, 2025·0 cites·14 claims
- 0744US11945564B2Steering deviceK SEVEN KK·Filed 2020·Granted Apr 2, 2024·0 cites·11 claims
- 0841US5700197AFlexible shaft coupling having a plurality of driving side leaf spring members, a plurality of driven side leaf spring members and one relay memberK SEVEN KK·Filed 1997·Granted Dec 23, 1997·8 cites·5 claims
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