RS

Ryouhei Saga

HI Hitachi: 2 patents #771 of 3,950Top 20%
HS Hitachi Tohbu Semiconductor: 1 patents #17 of 63Top 30%
Overall (2002): #43,265 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6489756 DC-DC converter with switchable control mode Akihiko Kanouda, Kenichi Onda, Norikazu Tokunaga 2002-12-03
6381152 Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device Tadashi Takahashi, Kenichi Onda, Norikazu Tokunaga, Takeshi Onaka, Katsunori Hayashi 2002-04-30