Assignee
SHIMIZU MASAFUMI
JP·2 granted patents·1 pending application·4 citations·filing 2008–2012
Technology mixH03F3
Top patents by PatentIndex Score
3 records- 0148US8129671B2Power supply dependent optical receiver and amplifier and photocoupler using the sameSHIMIZU MASAFUMI·Filed 2008·Granted Mar 6, 2012·4 cites·11 claims
- 0236US8227739B2Photodetector amplifier circuit for controlling an on state or an off state of an output transistorSHIMIZU MASAFUMI·Filed 2009·Granted Jul 24, 2012·0 cites·11 claims
- 0328US2012193518A1Photoreceptor circuit and photocouplerSHIMIZU MASAFUMI·Filed 2012·Application pending·0 cites
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