Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555385 | Sampling bottle for chlorinated organic compounds | Katsuhisa Honda, Noriaki Hamada, Masazumi Yamashita, Hirofumi Nakamura, Osamu Kajikawa +3 more | 2003-04-29 |
| 5320734 | Test apparatus for measuring concentration of test substance in liquid | Koichi Yamasaki, Tatsuhiko Osaka, Hitonaga Nakano, Toji Mukai, Yasuhiro Nagata +2 more | 1994-06-14 |