Matsushima Kogyo Kabushiki Kaisha
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 10, 1990 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 100 Total Citation Count
- Sep 20, 1979 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- 5 Expired/Abandoned/Withdrawn Patents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
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4677397 Quartz crystal oscillator with crystal supported on springExpiredMar 07, 86Jun 30, 87[H01L, H03B]
4609267 Synthetic resin lens and antireflection coatingExpiredDec 22, 81Sep 02, 86[B05D, G02B, G02C]
4288284 Method of producing housing element for quartz crystal oscillatorExpiredApr 17, 80Sep 08, 81[H01L, C03C]
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