Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320734 | Test apparatus for measuring concentration of test substance in liquid | Koichi Yamasaki, Tatsuhiko Osaka, Hitonaga Nakano, Yasuhiro Nagata, Sadaaki Nakaoka +2 more | 1994-06-14 |