Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561413 | Sound generator | Tadaharu Asanuma | 1996-10-01 |
| 5519375 | Sound generator | Tadaharu Asanuma | 1996-05-21 |
| 4378166 | Pendulum arrangement of pendulum clock | Masaru Itami | 1983-03-29 |