Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021162 | Method for forming a gel bed in a column for liquid chromatography and an axially adjustable-type column device used for this method | Kenichi Matsubara, Yasuhiro Nakahara, Masaki Nomura | 1991-06-04 |
| 4927531 | Axially adjustable-type column device | Kenichi Matsubara, Yasuhiro Nakahara, Masaki Nomura | 1990-05-22 |
| 4755293 | High density filler type filtration equipment | Yasuhiro Nakahara | 1988-07-05 |