Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899024 | Engine exhaust purification device | Nobuhiko Masaki, Kiminobu Hirata, Hideaki Kato, Yasumasa Notake | 2014-12-02 |
| 8161737 | Apparatus for and method of purifying exhaust gas | Isamu Kanaya, Takayuki Adachi, Nobuhiko Masaki, Kiminobu Hirata, Keishi Takada +2 more | 2012-04-24 |