Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963254 | Packing material for chromatographic use | Naobumi Oi, Tadashi Doi | 1990-10-16 |
| 4512898 | Packing materials for chromatographic use and a method for analysis of an enantiomer mixture using the same | Naobumi Oi | 1985-04-23 |