Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840028 | Purifier of diesel particulates in exhaust gas | Masaaki Yonemura, Hisanori Shimoda, Masuo Takigawa, Toshihiro Mihara | 1989-06-20 |
TK
Takao Kusuda
Overall (1989): #53,082 of 140,708Top 40%
1
Patents 1989