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Hitachi, JP
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last 30 patents
Information
Patent Grant
Method of connecting superconducting wires
Patent number
4,794,688
Issue date
Jan 3, 1989
Hitachi, Ltd.
Takeshi Wada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System for automatically inserting U-tubes of heat exchanger or the...
Patent number
4,543,711
Issue date
Oct 1, 1985
Hitachi, Ltd.
Takeshi Wada
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of welding titanium alloy parts with titanium insert
Patent number
4,503,314
Issue date
Mar 5, 1985
Nissan Motor Company, Limited
Tsuneo Kakimi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of treating a workpiece with electron beams and apparatus th...
Patent number
4,327,273
Issue date
Apr 27, 1982
Hitachi, Ltd.
Hisanao Kita
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electron beam welding machine
Patent number
4,317,022
Issue date
Feb 23, 1982
Hitachi, Ltd.
Hisanao Kita
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electron beam welding method and apparatus therefor
Patent number
4,271,348
Issue date
Jun 2, 1981
Hitachi, Ltd.
Takamitsu Nakazaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Nozzle structure of electroslag welding machines
Patent number
4,208,564
Issue date
Jun 17, 1980
Hitachi, Ltd.
Takeshi Wada
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for construction of water intake portion of hydraulic machine
Patent number
4,134,530
Issue date
Jan 16, 1979
Hitachi, Ltd.
Kagehiko Yamamoto
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...