Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835356 | Ozone purifying apparatus for vehicle | Tatsuya Okayama | 2004-12-28 |
| 5797450 | Oil cooler for automobiles | Tsuyoshi Kawabe, Hiroshi Yoneguchi, Takahiro Kuwabara, Tadamichi Aoyama | 1998-08-25 |