Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421730 | Process for manufacturing highly pure chlorine dioxide | Isao Isa, Hideo Yamamoto, Syuki Shindo | 1983-12-20 |
| 4376099 | Process for recovering Cr(VI) ions from a chlorate cell liquor | Hideo Yamamoto, Isao Isa | 1983-03-08 |