Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665531 | Method of gelation of photographic emulsions, oil in water emulsions, or gelatin solutions and unit therefor | Akira Kojima | 1997-09-09 |
| 5156188 | Flow control valve | Ryozo Wakita, Yasunori Ichikawa | 1992-10-20 |