Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626021 | Engine oil pan and forming method and apparatus | Tsutomu Okuda, Koji Tsuiki | 2003-09-30 |
| 6273049 | Engine oil pan and forming method and apparatus | Tsutomu Okuda, Koji Tsuiki | 2001-08-14 |