Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651882 | Packing material for liquid chromatography and process for producing the same | Takeshi Ichitsuka, Katsumi Kawamura, Akihiko Yokoo | 1997-07-29 |
| 5651884 | Packing material for liquid chromatography | Takeshi Ichitsuka, Katsumi Kawamura, Masaya Sumita, Akihiko Yokoo | 1997-07-29 |