KU

Kiyotaka Umemoto

Rohm Co.: 6 patents #4 of 129Top 4%
Overall (2005): #4,312 of 245,428Top 2%
6
Patents 2005

Issued Patents 2005

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6954055 Switching device driving apparatus and DC/DC converter incorporating the same Ko Takemura 2005-10-11
6949917 Switching power supply unit Ko Takemura 2005-09-27
6922042 DC/DC converter Ko Takemura 2005-07-26
6917189 Electric power supply unit having improved output voltage response Ko Takemura, Kenichi Nakata 2005-07-12
6894470 Power supply device and electric appliance employing the same Ko Takemura 2005-05-17
6891736 Multiphase DC/DC converter Ko Takemura 2005-05-10