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Nakamura; Mitsuo
Takahagi, JP
No. of patents:

Patent Number Title Of Patent Date Issued
5977515 Underwater laser processing device including chamber with partitioning wall November 2, 1999
An underwater laser processing system has a laser torch; a laser torch driving mechanism for changing a laser emission position of the laser torch; and a chamber with one end opened to an external environment, which contains the laser torch; wherein a partitioning wall for preventing
5938954 Submerged laser beam irradiation equipment August 17, 1999
A submerged laser beam irradiation equipment provides a high quality submerged laser beam processing of a submerged workpiece using only a small amount of a gas. The submerged laser beam irradiation equipment has: a focus lens for focusing a laser beam; a mirror tube which houses the
5654992 Method of repairing structural materials of nuclear reactor internals and apparatus therefor August 5, 1997
A neutron-irradiated structural material having a defect in a nuclear reactor internals is repaired by covering the structural material to be repaired with a plate to cover over a portion thereof having the defect, and then welding the plate and the structural material by locally applyin
4902867 Method of joining an insulated wire to a conductive terminal February 20, 1990
A high heat resisting wire (5) is made of amide-imide-coated wire, and a conductive terminal (4) is made of Cu or Cu alloy such as brass P-containing solder, BAg-1, BAg-2 are used as joining assistant (4). A high heat resisting wire (5) is made of an amide-imide-coated wire and a con

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