Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660030 | Liquid crystal video display device | — | 1987-04-21 |
| 4379641 | Multi-alarm electronic watch | Masami Murata | 1983-04-12 |
| 4353178 | Calendar display device | — | 1982-10-12 |
| 4280207 | Electronic timepiece and digital display therefor | — | 1981-07-21 |
| 4183203 | Electronic timepiece time zone display | Yasushi Okada | 1980-01-15 |