Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491885 | Exhaust gas processing method | Nobuaki Murakami, Toshiaki Ohkubo, Shuya Nagayama, Osamu Naito | 2002-12-10 |
| 6245308 | Method for decreasing sulfuric acid and sulfuric anhydride present in combustion exhaust gas | Yuichi Fujioka, Toshimitsu Ichinose, Toshiaki Ohkubo, Masashi Hishida, Yoshiyuki Wakabayashi +1 more | 2001-06-12 |
| 6228336 | Dust collecting method | Yasuo Katsuki, Takashi Ohnishi, Shozo Kaneko, Akira Hashimoto, Yuichi Fujioka +1 more | 2001-05-08 |
| 5840085 | Process for removing sodium chloride and potassium salts from ash collected from a soda recovery boiler | Masakazu Tateishi, Michimasa Yagi, Takayuki Maeda, Yoshihisa Arakawa | 1998-11-24 |