Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707167 | Air sterilization filter | Kenichiro Saito, Shigeyuki Aoyama | 1987-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707167 | Air sterilization filter | Kenichiro Saito, Shigeyuki Aoyama | 1987-11-17 |