Inventor · disambiguated record
Akiji Yamaguchi
Also filed as: YAMAGUCHI AKIJI
5 granted patents·1 pending application·120 citations·filing 1998–2009
83Inventor score
Top patents by PatentIndex Score
6 records- 0181US7598484B2Photoelectric sensor for securing the safety of a work areaKEYENCE CO LTD·Filed 2008·Granted Oct 6, 2009·20 cites·6 claims
- 0278US8248235B2Area monitoring sensorINOUE TETSU·Filed 2009·Granted Aug 21, 2012·13 cites·11 claims
- 0374US6414603B1Method for displaying state of multi-optical-axis photoswitch and multi-optical-axis photoswitch adapted to the methodKEYENCE CO LTD·Filed 1999·Granted Jul 2, 2002·56 cites·12 claims
- 0459US7098441B2Photoelectric sensorKEYENCE CO LTD·Filed 2004·Granted Aug 29, 2006·21 cites·14 claims
- 0539US2009295577A1Area Monitoring SensorKEYENCE CO LTD·Filed 2009·Application pending·0 cites
- 0635US6204575B1Method of verifying an extension area sensor controlled, master controller of area sensors, and cover to be used when no slave controller is addedKEYENCE CO LTD·Filed 1998·Granted Mar 20, 2001·10 cites·9 claims
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