Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738133 | Liquid analyzing apparatus | Sadabumi Ohnuma | 1998-04-14 |
| 5138264 | Apparatus for measuring electrical conductivity | Koji Tsutsuta | 1992-08-11 |
| 5008627 | Conductivity detector | Koji Tsutsuta | 1991-04-16 |
| 4913624 | Low pulsation displacement pump | Tsuyoshi Nishitarumizu | 1990-04-03 |
| 4810168 | Low pulsation pump device | Taro Nogami, Tsuyoshi Nishitarumizu | 1989-03-07 |
| 4674880 | Spectrophotometer | — | 1987-06-23 |