A CORP OF JAPAN
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 13, 1991 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 4,131 Total Citation Count
- Jun 02, 1978 Earliest Filing
- 203 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4968834 Recovery of acrylic acid and/or ethyl acrylate from black acidExpiredMay 07, 90Nov 06, 90[C07C]
4614841 Geographically distributed multiprocessor time-shared communication processing systemExpiredJun 28, 82Sep 30, 86[H04Q]
4583135 Tracking device using multiple piezoelectric elements for track centeringExpiredJan 26, 83Apr 15, 86[G11B]
4561061 Method of tracing/recording image lines and apparatus thereforExpiredMar 26, 82Dec 24, 85[G05B, G06F]
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