Assignee
OPTEC D D MELCO LAB CO LTD
JP·4 granted patents·58 citations·filing 1990–1990
Top patents by PatentIndex Score
4 records- 0164US5038031AOptical rotary encoder having large and small numerical aperture fibersOPTEC D D MELCO LAB CO LTD·Filed 1990·Granted Aug 6, 1991·24 cites·4 claims
- 0256US5130536AOptical rotary encoder with indexingOPTEC D D MELCO LAB CO LTD·Filed 1990·Granted Jul 14, 1992·17 cites·4 claims
- 0347US5015056APhotointerruptor for use in light-transmission type rotary encoderOPTEC D D MELCO LAB CO LTD·Filed 1990·Granted May 14, 1991·13 cites·1 claims
- 0431US5073001APhotointerruptor for use in optical transmission-type rotary encoderOPTEC D D MELCO LAB CO LTD·Filed 1990·Granted Dec 17, 1991·4 cites·6 claims
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