Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6027697 | Method and apparatus for treating combustion exhaust gases | Katsuyuki Kurihara, Mitsuyuoshi Kaneko, Keisuke Tsukamoto, Koiti Ohya, Hajime Kawaguchi +6 more | 2000-02-22 |
| 4711867 | Catalytic composition | Masakatsu Hatano, Kazunori Oshima, Tatsuya Ihara | 1987-12-08 |