Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007783 | Flue gas treating system and process | Eiji Ochi, Kiyoshi Okazoe, Toru Takashina | 1999-12-28 |
| 6001321 | Exhaust gas treatment apparatus and method | Kiyoshi Okazoe, Eiji Ochi, Toru Takashina | 1999-12-14 |
| 5616290 | Gas-liquid contacting apparatus | Takakazu Sunada, Shigeo Hasegawa, Naohiko Ukawa, Toru Takashina, Yukio Kita +4 more | 1997-04-01 |
| 5605655 | Gas-liquid contacting apparatus | Takakazu Sunada, Shigeo Hasegawa, Naohiko Ukawa, Toru Takashina, Yukio Kita +4 more | 1997-02-25 |
| 5326503 | Latticed packing member for gas-liquid contactors | Koichiro Iwashita, Takakazu Sunada, Sunao Ushio, Kouichi Shinohara, Takami Yamada | 1994-07-05 |