Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12083461 | Filter material for removing leukocytes, leukocyte removal filter and method for producing same | Kazuya Nagamine, Takayuki Miyamoto | 2024-09-10 |
| 5278262 | Polymerization apparatus and batch-wise process for producing vinyl chloride resin | Yoshio Tomishima, Kazuo Dairaku, Nobuki Toba, Hideyuki Kametani, Keizo Hayashi +2 more | 1994-01-11 |
| 5169918 | Polymerization apparatus having an effective height/effective inner diameter ratio of at least 4 and a circumferential agitative diameter/effective inner ratio diameter of from 0.7 to 0.9 | Yoshio Tomishima, Kazuo Dairaku, Nobuki Toba, Hideyuki Kametani, Keizo Hayashi +2 more | 1992-12-08 |