Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4658956 | Portable case for a small size audio-visual sensory apparatus | Katunobu Odamoto, Keiji Uraki | 1987-04-21 |
| 4658298 | Portable type audio-visual sensory apparatus | Katunobu Odamoto, Keiji Uraki | 1987-04-14 |