Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795992 | Method of testing durability of exhaust gas purification device | Toshio Tanahashi, Masakatsu Sanada, Hiroyuki Domyo, Hiroshi Hirayama, Kazuaki Sobue +4 more | 1998-08-18 |
| 5282429 | Method and system for handling exhaust gas in a boiler | Masami Kato, Tadashi Tanaka, Yasuki Nishimura, Katsutoshi Yata, Masahiko Nakao +2 more | 1994-02-01 |
| 5172757 | Method for removing soot by scattering steel balls in a heat-exchanger and heat-exchanger provided with a steel ball scatterer | Masami Kato, Tadashi Tanaka, Satoshi Nakamura, Hiroshi Fujiike, Katsuaki Makino +1 more | 1992-12-22 |
| 5148857 | Method for removing soot by scattering steel balls in a heat-exchanger and heat-exchanger provided with a steel ball scatterer | Masami Kato, Tadashi Tanaka, Satoshi Nakamura, Hiroshi Fujike, Katsuaki Makino +1 more | 1992-09-22 |
| 4919696 | Supercooling type mist eliminator apparatus | Akio Izuwa | 1990-04-24 |