ST

Shunsei Tanaka

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Overall (All Time): #744,707 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8541998 Switching converter circuit 2013-09-24
7969703 Overcurrent protection circuit and voltage regulator incorporating same 2011-06-28
7893752 Charge pump circuit with control circuitry 2011-02-22
7782034 Constant voltage power supply circuit and method of controlling the same 2010-08-24
7548044 Constant-voltage power circuit with fold back current limiting capability Kohzoh Itoh 2009-06-16
7408331 Constant voltage power supply circuit and method of controlling the same 2008-08-05
7183755 Constant-voltage power circuit with fold back current limiting capability Kohzoh Itoh 2007-02-27