Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7080588 | Negative pressure type booster | Kaoru Tsubouchi, Yoji Inoue, Tomoyasu Sakai | 2006-07-25 |
| 7063002 | Negative pressure type booster | Kaoru Tsubouchi, Yoji Inoue | 2006-06-20 |