Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9057311 | Honeycomb unit for exhaust emission control | Hiroyuki Horimura, Daiji Kawaguchi, Katsuhiro Iwane, Takafumi Kozaiku | 2015-06-16 |
| 8808469 | Nitrocarburized raw material for crankshafts and method for manufacturing the same | Daiji Kawaguchi, Atsushi Murakami | 2014-08-19 |