Assignee
HANA MICROELECTRONICS INC
US4 patents
Top patents by PatentIndex Score
US11520074B2Dec 6, 2022
Proximity sensor with light blocking barrier comprising a gap having a cross-section with parallel walls between emitter and detector
HANA MICROELECTRONICS INC2 citations67
US11143551B2Oct 12, 2021
Proximity sensor with infrared ink coating
HANA MICROELECTRONICS INC3 citations67
US9632209B2Apr 25, 2017
Proximity sensor with light blocking compound
HANA MICROELECTRONICS INC5 citations64
US11567198B2Jan 31, 2023
Proximity sensor with light inhibiting barrier comprising a gap having a cross-section with parallel walls substantially perpendicular to the top surface of an optically transmissive material
HANA MICROELECTRONICS INC0 citations57