Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220946 | Counterpressure type container filling apparatus | Yukio Yamaguchi | 1993-06-22 |
| 5161585 | Liquid filling apparatus having a biased gas pipe mounted for a small range of movement | Yukio Yamaguchi, Tutomu Oohashi | 1992-11-10 |