Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044761 | Dissolving and deaerating method | Sadao Kumazawa, Shigeru Yamaguchi, Hiroshi Ohnishi | 1991-09-03 |
| 4956146 | Dry analytical element and process for producing the same | Kazuhiko Fujiwara, Hiroshi Ohnishi, Fuminori Arai | 1990-09-11 |