Sumitomo Kinzoku Kogyo Kabushiki Kaisha

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sumitomo Kinzoku Kogyo Kabushiki Kaisha.The latest application filed is for "screw surface flaw inspection method and an apparatus therefor".

Company Profile

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Sumitomo Kinzoku Kogyo Kabushiki Kaisha - Osaka JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Screw surface flaw inspection method and an apparatus therefor Grant 4,598,998 - Kamei , et al. July 8, 1	1986-07-08
Metal pipe coated with thermoplastic synthetic resin Grant 4,500,577 - Satake , et al. February 19, 1	1985-02-19
Temperature pattern measuring method and a device therefor Grant 4,413,324 - Tatsuwaki , et al. November 1, 1	1983-11-01
Apparatus for continuous manufacture of butt-welded pipe Grant 4,357,512 - Nishimoto , et al. November 2, 1	1982-11-02
Method for increasing the width of a cast piece Grant 4,299,266 - Hashio , et al. November 10, 1	1981-11-10
Fully automatic ultrasonic flaw detection apparatus Grant 4,294,118 - Shiraiwa , et al. October 13, 1	1981-10-13
Flaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnets Grant 4,258,318 - Furukawa , et al. * March 24, 1	1981-03-24
Pipe joint construction Grant 4,234,217 - Sakamoto , et al. November 18, 1	1980-11-18
Flaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnets Grant 4,217,548 - Furukawa , et al. August 12, 1	1980-08-12
Packing for use in steel-pipe hydraulic testing apparatus Grant 4,149,731 - Yoshida , et al. April 17, 1	1979-04-17
Corrosion preventive, coated metal pipe Grant 4,142,555 - Satake , et al. March 6, 1	1979-03-06
Process for tracking a welded joint in a continuous long material in a production line Grant 4,142,237 - Yamasaki February 27, 1	1979-02-27

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