Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9175365 | Method of recovering PGM | Minoru Kawasaki, Katsunori Yamaguchi | 2015-11-03 |
| 9115418 | Method of recovering platinum group elements | Minoru Kawasaki, Katsunori Yamaguchi, Tetsuya Ueda, Keiko Ishizaki | 2015-08-25 |
| 7604786 | Method for recovering indium from indium-containing material | Nobuaki Kita, Akira Tsukada | 2009-10-20 |
| 5184359 | Stool-type apparatus for sampling and assay of urine with swingable carriage | Naoki Tsukamura, Kiyoshi Alyfuku, Yoshiki Hiruta, Hiroshi Tsuboi | 1993-02-09 |