Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D332145 | Centrifuge tube | Atsuki Wada, Eiji Ohmae, Yoshiro Hirajima, Akira Kasuya | 1992-12-29 |
| 5114508 | Filter element and its production | Tokuya Miyagi, Akihisa Inoue, Yoshihiro Hori | 1992-05-19 |