KS

Katsuya Sonoyama

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HC Hitachi Information Technology Co.: 3 patents #7 of 121Top 6%
HC Hitachi Ulsi Systems Co.: 3 patents #305 of 867Top 40%
📍 Akishima, JP: #158 of 519 inventorsTop 35%
Overall (All Time): #1,235,439 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8299822 Driver and output buffer circuit Yasuo Shima, Yoichiro Kobayashi 2012-10-30
6218903 Signal amplifier and magnetic disk storage apparatus using the same Takashi Hashimoto, Yuji Nagaya, Masaki Yoshinaga, Noriaki Hatanaka, Tatsuo Mochizuki 2001-04-17
6163218 Signal amplifier apparatus and magnetic disk storage apparatus using the same Takashi Hashimoto, Yuji Nagaya, Masaki Yoshinaga, Noriaki Hatanaka, Tatsuo Mochizuki 2000-12-19
6114905 Signal amplifier apparatus and magnetic disk storage apparatus using the same Takashi Hashimoto, Yuji Nagaya, Masaki Yoshinaga, Noriaki Hatanaka, Tatsuo Mochizuki 2000-09-05