Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523302 | Off gas purification device | Toshinori Okajima, Yasuyuki Banno, Makoto Nagata | 2016-12-20 |
| 8161737 | Apparatus for and method of purifying exhaust gas | Isamu Kanaya, Takayuki Adachi, Nobuhiko Masaki, Kiminobu Hirata, Jin Kusaka +2 more | 2012-04-24 |