Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148862 | Heat exchanger fin materials and heat exchangers prepared therefrom | Kenji Negura, Sadayuki Kamiya, Shigenori Yamauchi, Yuji Suzuki, Kenji Kato +2 more | 1992-09-22 |