Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831589 | System of notification of commonly displayed content on predetermined displays using only reference numerals which are in advance attached to images | Haruo Hiki | 1998-11-03 |
| 4524402 | Rotary magnetic head drum apparatus | Sachio Ueda, Yuichi Matsushita | 1985-06-18 |