Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11022650 | Capacitive switch controller | Masaya Hirakawa | 2021-06-01 |
| 10308034 | Liquid container, liquid remaining amount detection circuit of liquid container, liquid remaining amount detection method, liquid container identification method, ink mounting unit, printer, and print system | Hirotoshi USUI, Masaya Hirakawa, Masao Nakajima | 2019-06-04 |
| 9652104 | Capacitance voltage conversion circuit, input apparatus using the same, electronic instrument, and capacitance voltage conversion method | Yuji Shimada | 2017-05-16 |
| 9261545 | Capacitance voltage conversion circuit, input apparatus using the same, electronic instrument, and capacitance voltage conversion method | Yuji Shimada | 2016-02-16 |