Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840263 | Flue gas treating process and system | Takeo Shinoda, Shinichiro Kotake, Kiyoshi Okazoe, Tatsuto Nagayasu, Koichiro Iwashita +3 more | 1998-11-24 |
| 5785901 | Gas-liquid contact apparatus | Shigeo Hasegawa, Noohiko Ukawa, Kenji Iwasaki, Koichiro Iwashita | 1998-07-28 |