Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657362 | Method for improving durability of exhaust pipe | Jouji Hagiwara, Kazuhiro Hirakawa, Norihiro Fujisawa | 2017-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657362 | Method for improving durability of exhaust pipe | Jouji Hagiwara, Kazuhiro Hirakawa, Norihiro Fujisawa | 2017-05-23 |