Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10130913 | Exhaust gas purification system, and NOx purification capacity restoration method | Takayuki Sakamoto, Daiji Nagaoka | 2018-11-20 |
| 10060829 | Diagnosis device | Satoshi Hanawa, Tadashi Uchiyama, Hidekazu Fujie, Naoto Murasawa | 2018-08-28 |
| 10052587 | Exhaust purification system | Takayuki Sakamoto, Daiji Nagaoka | 2018-08-21 |