Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5962248 | Quantitative determination method for chloride ions | Norihiko Kayahara, Jun Umemoto | 1999-10-05 |
| 5840512 | Method for measurement of ionized calcium | Akira Miike, Norihiko Kayahara, Jun Umemoto | 1998-11-24 |
| 5719036 | Quantitative determination method for potassium ions | Norihiko Kayahara, Masao Umemoto | 1998-02-17 |
| 5700652 | Quantitative determination method for sodium ions | Akira Miike, Jun Umemoto | 1997-12-23 |