TK

Toshiki Kishioka

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #1,021,692 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8013348 Semiconductor device with a driver circuit for light emitting diodes 2011-09-06
7986109 Load driving circuit and method of setting load current thereof Yohichi Shiwaya 2011-07-26
7952180 Integrated circuit, interface circuit used in the integrated circuit, and apparatus using the integrated circuit Atsushi Ohshima 2011-05-31
7564196 Power supply device, and LED device and electronic device using same Yohichi Shiwaya, Koichi Hagino 2009-07-21
7200099 Low voltage differential signal transmitting circuit and optical disc recording apparatus 2007-04-03