Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6091399 | Display controller for refreshing operator's visual strain | Hiroto Sumiyoshi, Tetsuya Muraoka | 2000-07-18 |
| 4958271 | Transfer control equipment | Shouki Yoshida | 1990-09-18 |