Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828815 | Production process of chlorine | Tadamitsu Kiyoura, Masanobu Ajioka, Naoshi Fujimoto, Toshihide Suzuki, Yasuo Kogure +1 more | 1989-05-09 |
| 4822589 | Manufacturing process of chlorine | Tadamitsu Kiyoura, Yasuo Kogure, Tokio Nagayama | 1989-04-18 |