Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379688 | Preservative for emulsion and emulsion containing same | Masazumi Yamaguchi, Katsuhiro Inada | 2002-04-30 |
| 6020375 | Bactericidal composition | Shuichi Nishihata | 2000-02-01 |