Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645802 | Method and apparatus for the treatment of a waste gas containing dists and chemical contaminants | Yoshio Ogawa, Yoshiaki Komatsubara, Kenji Kobayashi | 1997-07-08 |
| 5120518 | Method and apparatus for the treatment of a waste gas containing dusts and chemical contaminants | Yoshio Ogawa, Yoshiaki Komatsubara, Kenji Kobayashi | 1992-06-09 |
| 5012984 | Process for production of coal-water mixture | Hiroshi Ishikawa, Kazuo Koyata, Tetsuo Ono, Takuo Motizuki, Masayuki Sakuta +2 more | 1991-05-07 |
| 4239515 | Gas-liquid contact reaction apparatus | Atsushi Futami, Masatake Shinsenji, Minoru Tanaka | 1980-12-16 |
| 4229417 | Gas-liquid contacting apparatus | Toshio Kanai, Hideo Idemura, Hiroshi Sugiyama, Yoshio Kogawa, Michihiro Yoshida +2 more | 1980-10-21 |