Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9738654 | Method for producing nitrogen-containing heterocyclic N-oxide compound | Hironobu YOSHINO, Kenichi Seki, Hirohide Kitsuyama | 2017-08-22 |
| 9464095 | Production method of high-purity nitrogen-containing heterocyclic compound | Hirohide Kitsuyama, Akihiro NAGAYA, Hironobu YOSHINO | 2016-10-11 |