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Yukio Tomita
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Tokai, JP
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Patents Grants
last 30 patents
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
Information
Patent Grant
Steel for chimney or gas duct, excellent in pitting resistance and...
Patent number
5,820,819
Issue date
Oct 13, 1998
Nippon Steel Corporation
Koji Tanabe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of producing non-oriented magnetic steel plate having high m...
Patent number
5,062,905
Issue date
Nov 5, 1991
Nippon Steel Corporation
Yukio Tomita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing non-oriented magnetic steel plate having high m...
Patent number
5,037,493
Issue date
Aug 6, 1991
Nippon Steel Corporation
Yukio Tomita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing non-oriented magnetic steel heavy plate having...
Patent number
4,950,336
Issue date
Aug 21, 1990
Nippon Steel Corporation
Yukio Tomita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing steel having a low yield ratio
Patent number
4,938,266
Issue date
Jul 3, 1990
Nippon Steel Corporation
Yukio Tomita
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for feeding waste tire chips
Patent number
4,645,065
Issue date
Feb 24, 1987
Hitachi Zosen Corporation
Yukio Tomita
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus for feeding waste tire chips
Patent number
4,577,564
Issue date
Mar 25, 1986
Hitachi Zosen Corporation
Yukio Tomita
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
System for recovering pressure and sensible heat from blast furnace...
Patent number
4,400,184
Issue date
Aug 23, 1983
Hitachi Shipbuilding & Engineering Company Limited
Yukio Tomita
C21 - METALLURGY OF IRON
Information
Patent Grant
System for generating power with top pressure of blast furnaces
Patent number
4,387,562
Issue date
Jun 14, 1983
Nippon Steel Corporation
Kengo Takao
C21 - METALLURGY OF IRON
Information
Patent Grant
Rotary transfer press
Patent number
4,364,257
Issue date
Dec 21, 1982
Hitachi Shipbuilding & Engineering Company Limited
Takuro Endo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Marine diesel engine and ship equipped with the same
Patent number
4,167,857
Issue date
Sep 18, 1979
Hitachi Shipbuilding & Engineering Co., Ltd.
Isamu Nishijima
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
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
Information
Patent Application
Twin-rudder system for large ship
Publication number
20040163579
Publication date
Aug 26, 2004
Yukio Tomita
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT