Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822168 | Spectroscopic photometer for flow through sample absorption | Tetsuyuki Miwa, Kenitiro Takahasi | 1989-04-18 |
| 4810168 | Low pulsation pump device | Tsuyoshi Nishitarumizu, Kiwao Seki | 1989-03-07 |