P
PatentIndex
Search
Landscape
Sign in
Assignee
SHIMIZU MASAFUMI
JP
2 patents
Top patents
by PatentIndex Score
US8129671B2
Mar 6, 2012
Power supply dependent optical receiver and amplifier and photocoupler using the same
SHIMIZU MASAFUMI
4 citations
50
US8227739B2
Jul 24, 2012
Photodetector amplifier circuit for controlling an on state or an off state of an output transistor
SHIMIZU MASAFUMI
0 citations
38