Assignee
JAPAN HAMWORTHY & CO LTD
JP·4 granted patents·2 pending applications·5 citations·filing 2002–2022
Top patents by PatentIndex Score
6 records- 0176US11915595B2Collision-avoidance maneuvering method in congested water and collision-avoidance maneuvering system for single-propeller twin-rudder shipJAPAN HAMWORTHY & CO LTD·Filed 2019·Granted Feb 27, 2024·3 cites·9 claims
- 0253US2024116619A1Steering system having steering angle correction function for single-propeller twin-rudder shipJAPAN HAMWORTHY & CO LTD·Filed 2022·Application pending·0 cites
- 0350US2025153838A1Uniaxial twin-rudder ship having automatic docking functionJAPAN HAMWORTHY & CO LTD·Filed 2022·Application pending·0 cites
- 0441US7872739B2Rudder angle detecting device of steering gearJAPAN HAMWORTHY & CO LTD·Filed 2008·Granted Jan 18, 2011·0 cites·4 claims
- 0535US6886485B2Twin-rudder system for large shipJAPAN HAMWORTHY & CO LTD·Filed 2002·Granted May 3, 2005·2 cites·4 claims
- 0628US9567998B2Working oil chamber sealing system of rotary vane steering gear actuatorJAPAN HAMWORTHY & CO LTD·Filed 2015·Granted Feb 14, 2017·0 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →