Assignee
RICOH ELECTRONIC DEVICES CO LTD
JP·3 granted patents·3 citations·filing 2017–2018
Top patents by PatentIndex Score
3 records- 0163US10635127B2Reference voltage generator circuit generating reference voltage based on band gap by controlling currents flowing in first and second voltage generator circuitsRICOH ELECTRONIC DEVICES CO LTD·Filed 2017·Granted Apr 28, 2020·3 cites·4 claims
- 0235US11223184B2Semiconductor laser driver having electronic dimming function without using optical componentsRICOH ELECTRONIC DEVICES CO LTD·Filed 2018·Granted Jan 11, 2022·0 cites·10 claims
- 0334US10284075B2Overvoltage protection circuit for protecting overvoltage corresponding to wide range of input voltageRICOH ELECTRONIC DEVICES CO LTD·Filed 2018·Granted May 7, 2019·0 cites·9 claims
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