Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288299 | Exhaust gas treating apparatus | Hiroshi Yoshida, Ryuichi Ishikawa | 1994-02-22 |
| 4952231 | Process for treating product of radiation treatment of ammonia-added effluent gas | Ryoji Suzuki, Shinji Aoki | 1990-08-28 |
| 4882020 | Process for treating effluent gas | Akihiko Maezawa, Yoshio Nakajima, Shinji Aoki | 1989-11-21 |
| 4299652 | Process for recovery of pulp mill chemicals | Kouji Masuno, Junji Nakayama, Yukio Mizoguchi | 1981-11-10 |