Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6238610 | Heat exchanger tank and method of producing the same | Seiichi Kusama | 2001-05-29 |
| 5873485 | Heat exchanger tank and method of producing the same | Seiichi Kusama | 1999-02-23 |