YH

Yoshiki Hirakouchi

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,238,811 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6073054 Information processing system Yasunori Katayama, Junzo Kawakami, Hiroyuki Kudo, Hiroaki Ishikawa 2000-06-06
5812389 Power distribution control system Yasunori Katayama, Junzo Kawakami, Hiroyuki Kudo, Hiroaki Ishikawa 1998-09-22