YO

Yuichi Ohkubo

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
OC Oki Semiconductor Co.: 1 patents #202 of 526Top 40%
Overall (All Time): #743,330 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8390222 Brushless motor driving circuit Kunio Seki, Kazutaka Inoue, Hiroyuki Kikuta 2013-03-05
5621288 Motor speed regulating circuit with starter and storage medium drive using the same Kunio Seki, Toshiyuki Tsunoda 1997-04-15
5428281 Semiconductor integrated circuit device Kunio Seki 1995-06-27
5053650 Monolithic semiconductor integrated circuit device having current adjusting circuit Satoru Sekiguchi, Toshihiko Watanabe, Nobuaki Yoneya 1991-10-01
4525636 Variable electronic impedance circuit Yasuo Kominami, Kohki Aizawa, Satoshi Sasaki 1985-06-25
4520282 Electronic impedance circuit including a compensation arrangement for d.c. offset Kazuo Watanabe, Akira Haeno, Fumihiko Yokogawa 1985-05-28
4412189 Switchable signal compressor/signal expander Yasuo Kominami, Tetsuo Sato 1983-10-25