Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5773621 | Gas dispersion pipe for gas-liquid contact, and device for gas-liquid contact making use thereof | Haruo Nisino, Akitaka Ide | 1998-06-30 |
| 4911901 | Wet desulfurization process for treating a flue gas | Yoshio Ogawa, Naobumi Hashimoto, Kazushige Kawamura, Akira Kumagai, Yoshiaki Komatsubara | 1990-03-27 |
| 4765960 | Apparatus for installing pipe in multipipe type gas-liquid contact equipment | Minato Tomikawa | 1988-08-23 |