Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963494 | Enzyme immobilization in an anisotropic ultrafiltration membrane | Ken Hibino, Takeshi Okada, Kazuo Nakao | 1990-10-16 |
| 4921703 | Vermin exterminating element and vermin exterminating method using it | Toshio Higuchi, Ken Hibino, Rikako Yoshii, Takayuki Hiyori, Yoshinori Miyamoto +5 more | 1990-05-01 |