Daiichi Koshuha Kogyo Kabushiki Kaisha
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 15, 1987 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 43 Total Citation Count
- Jun 22, 1978 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4694131 Induction heating method and apparatus for relieving residual stress in welded joint between main and branch pipesExpiredMay 29, 85Sep 15, 87[H05B]
4687894 Induction heating method and apparatus for relieving residual stress in welded joints in pipe lineExpiredMay 29, 85Aug 18, 87[H05B]
4354883 Method for improving the residual stress in austenitic stainless steel pipes and the like by induction heatingExpiredJun 07, 79Oct 19, 82[C21D]
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