ATR OPTICAL AND RADIO COMMUNICATIONS RESEARCH LABORATORIES
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 27, 2000 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 155 Total Citation Count
- Aug 31, 1988 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6081470 All optics type semiconductor image storage apparatus, and all optics type semiconductor logical operation apparatusExpiredApr 18, 97Jun 27, 00[G11C]
5722042 Satellite communication system having double-layered earth orbit satellite constellation with two different altitudesExpiredOct 12, 95Feb 24, 98[H04B]
5465170 Alignment adjusting system for use in optical system of optical transceiverExpiredJan 19, 94Nov 07, 95[H04B]
5446425 Floating potential conductor coupled quarter-wavelength coupled line type directional coupler comprising cut portion formed in ground plane conductorExpiredJun 07, 94Aug 29, 95[H01P]
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