Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871674 | Culture cell | Eiichi Hirai, Junji Nakamura | 1989-10-03 |
| 4722792 | Filter for centrifugal separator | Tokuya Miyagi, Yoshiro Hirajima | 1988-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871674 | Culture cell | Eiichi Hirai, Junji Nakamura | 1989-10-03 |
| 4722792 | Filter for centrifugal separator | Tokuya Miyagi, Yoshiro Hirajima | 1988-02-02 |