Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5964725 | Gas exchange apparatus using improved silicone rubber hollow fiber | Masanori Katayama | 1999-10-12 |
| 5855201 | Gas exchange apparatus | Yasuhiro Fukui, Akio Funakubo, Masanori Katayama | 1999-01-05 |