JAPAN HAMWORTHY & CO., LTD.

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Collision-avoidance maneuvering method in congested water and colli...
- Patent number 11,915,595
- Issue date Feb 27, 2024
- Japan Hamworthy & Co., Ltd.
- Kazushi Tomita
- G08 - SIGNALLING
Information Patent Grant
Working oil chamber sealing system of rotary vane steering gear act...
- Patent number 9,567,998
- Issue date Feb 14, 2017
- Japan Hamworthy & Co., Ltd.
- Yukio Tomita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rudder angle detecting device of steering gear
- Patent number 7,872,739
- Issue date Jan 18, 2011
- Japan Hamworthy & Co., Ltd.
- Yukio Tomita
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Twin-rudder system for large ship
- Patent number 6,886,485
- Issue date May 3, 2005
- Japan Hamworthy & Co., Ltd.
- Yukio Tomita
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
STEERING SYSTEM HAVING STEERING ANGLE CORRECTION FUNCTION FOR SINGL...
- Publication number 20240116619
- Publication date Apr 11, 2024
- JAPAN HAMWORTHY & CO., LTD.
- Kazushi TOMITA
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
COLLISION-AVOIDANCE MANEUVERING METHOD IN CONGESTED WATER AND COLLI...
- Publication number 20210248912
- Publication date Aug 12, 2021
- JAPAN HAMWORTHY & CO., LTD.
- Kazushi TOMITA
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
WORKING OIL CHAMBER SEALING SYSTEM OF ROTARY VANE STEERING GEAR ACT...
- Publication number 20150252804
- Publication date Sep 10, 2015
- JAPAN HAMWORTHY & CO., LTD.
- Yukio TOMITA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
RUDDER ANGLE DETECTING DEVICE OF STEERING GEAR
- Publication number 20080278714
- Publication date Nov 13, 2008
- Japan Hamworthy & Co., Ltd.
- Yukio Tomita
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Trademarklast 30 trademarks