Assignee
ASTEX CO LTD
JP·8 granted patents·86 citations·filing 1989–1990
Top patents by PatentIndex Score
8 records- 0170US5059782AMulti-function detection circuit for a photoelectric switch using an integrated circuit with reduced interconnectionsASTEX CO LTD·Filed 1990·Granted Oct 22, 1991·27 cites·3 claims
- 0263US5117118APhotoelectric switch using an integrated circuit with reduced interconnectionsASTEX CO LTD·Filed 1989·Granted May 26, 1992·17 cites·13 claims
- 0359US5059809ALight-responsive device for a photoelectric switchASTEX CO LTD·Filed 1990·Granted Oct 22, 1991·16 cites·4 claims
- 0457US5057683AError preventive circuit for a photoelectric switchASTEX CO LTD·Filed 1989·Granted Oct 15, 1991·11 cites·10 claims
- 0538US5030821AMulti-function detection circuit for a photoelectric switch using an integrated circuit with reduced interconnectionsASTEX CO LTD·Filed 1990·Granted Jul 9, 1991·5 cites·4 claims
- 0635US5030822ASynchronous control circuit for a photoelectric switch using an integrated circuit with reduced interconnectionsASTEX CO LTD·Filed 1990·Granted Jul 9, 1991·4 cites·3 claims
- 0734US5034601AStable indicator circuit for photoelectric switch using an integrated circuit with reduced interconnectionsASTEX CO LTD·Filed 1990·Granted Jul 23, 1991·3 cites·4 claims
- 0833US5034600ADetection output circuit for a photoelectric switch integrated circuit with reduced interconnectionsASTEX CO LTD·Filed 1990·Granted Jul 23, 1991·3 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →