Assignee
COPAL ELECTRONICS
JP·12 granted patents·130 citations·filing 1984–1998
Top patents by PatentIndex Score
12 records- 0159US4807239ADrive and control circuit for laser diodeCOPAL ELECTRONICS·Filed 1987·Granted Feb 21, 1989·15 cites·13 claims
- 0258US5746515ADynamic-pressure gas bearingCOPAL ELECTRONICS·Filed 1997·Granted May 5, 1998·20 cites·18 claims
- 0354US4894500ARotary selector switchCOPAL ELECTRONICS·Filed 1987·Granted Jan 16, 1990·12 cites·2 claims
- 0450US5997180ACircumferential flow type dynamic pressure bearingCOPAL ELECTRONICS·Filed 1998·Granted Dec 7, 1999·15 cites·3 claims
- 0550US4787723AUltra-wide angle F-θ lens systemCOPAL ELECTRONICS·Filed 1986·Granted Nov 29, 1988·15 cites·6 claims
- 0648US4627303AVariable resistance deviceCOPAL ELECTRONICS·Filed 1984·Granted Dec 9, 1986·7 cites·7 claims
- 0745US4771964AFishing reelCOPAL ELECTRONICS·Filed 1987·Granted Sep 20, 1988·13 cites·5 claims
- 0845US4712084APotentiometerCOPAL ELECTRONICS·Filed 1986·Granted Dec 8, 1987·8 cites·4 claims
- 0937US4788393ADIP rotary code switchCOPAL ELECTRONICS·Filed 1987·Granted Nov 29, 1988·5 cites·4 claims
- 1034US4799628ALevel winder for double-bearing fishing reelCOPAL ELECTRONICS·Filed 1987·Granted Jan 24, 1989·10 cites·4 claims
- 1130US4832277AFishing reelCOPAL ELECTRONICS·Filed 1987·Granted May 23, 1989·7 cites·5 claims
- 1227US4839627AVariable resistorCOPAL ELECTRONICS·Filed 1987·Granted Jun 13, 1989·3 cites·3 claims
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