Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980847 | Method for removing nitrogen oxide | Masatoshi Nozaki, Haruhiko Tsubogami, Hideaki Asano | 1999-11-09 |
| 5062127 | Metals assay apparatus and method | Yasumasa Sayama, Koichi Nomura | 1991-10-29 |