Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7205967 | Display apparatus and drive method therefor | Tomoyuki Shirasaki, Hiroyasu Yamada | 2007-04-17 |
| 4421419 | Electronic timepiece | Hironao Sone | 1983-12-20 |
| 4390287 | Electronic device having time display function | — | 1983-06-28 |
| 4373821 | Electronic timepiece generating different alarm sounds for respective different regions | — | 1983-02-15 |