Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968064 | Method for extraction of metals by methyliminobisalkylacetamide | Yuji Sasaki, Yoshihiro Kitatsuji, Makoto Arisaka | 2011-06-28 |
| 5926273 | Method of measuring the absorption spectra of solutions by laser induced photothermal displacement spectroscopy | Yoshiharu Kato, Zenko Yoshida | 1999-07-20 |
| 5580952 | Process for producing an extraction chromatography resin | Johkun Akatsu | 1996-12-03 |