Toshin Seiko Kabushiki Kaisha
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 02, 1983 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 52 Total Citation Count
- Jun 14, 1978 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents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Expired/Abandoned/Withdrawn Patents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
4396424 Method for recovering useful metals from dust discharged from metal refining metallurgical furnaceExpiredAug 03, 81Aug 02, 83[C22B]
4375958 Method for preheating steel scrap by exhaust gas from steelmaking electric furnaceExpiredJun 01, 81Mar 08, 83[F27D]
4282288 Graphite refractory article having dense structure with low porosityExpiredNov 05, 79Aug 04, 81[B32B]
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