Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9117420 | Information display device and display driving method | — | 2015-08-25 |
| 8912886 | Power management system for electronic shelf labels and the like | Masayuki Hakata, Masao Yamamoto | 2014-12-16 |
| 4806923 | Miniaturized electronic apparatus | Tsuguo Yanai, Yukio Inagaki, Shoji Matsuo | 1989-02-21 |
| 4785226 | Powder supply device with solar cell | Katsuhiro Wakita | 1988-11-15 |
| 4382251 | Envelope control device for piezoelectric buzzer | — | 1983-05-03 |
| 4354246 | Key input indicating tone generating apparatus for small-sized electronic devices | — | 1982-10-12 |
| 4294154 | Music tone generating system | — | 1981-10-13 |