Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892832 | Filter bag for microbiological examination | Yuichi Matsushima, Masami Taki, Harutomo Oshio, Kazuo Shiraishi | 1990-01-09 |
| 4384972 | Foodstuff freshness keeping agents | Hachiro Nakamura | 1983-05-24 |