Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428548 | Capacitance measuring circuit and electrostatic capacitive displacement meter | Shingo Sobukawa, Keita Murase | 2022-08-30 |
| 9698783 | Driver integrated circuit | Wen Li, Norio Chujo, Masami Makuuchi | 2017-07-04 |
| 8067984 | Variable gain circuit | Norio Chujo | 2011-11-29 |