Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521157 | Method for fabricating press forming die and method for fabricating press forming punch | Masafumi Nakamura, Yoshikazu Nakamura | 2003-02-18 |
| 6484609 | Method of producing press-forming punch and die | Masafumi Nakamura, Yoshikazu Nakamura | 2002-11-26 |
| 6474196 | Method of producing press-forming punch and die | Masafumi Nakamura, Yoshikazu Nakamura | 2002-11-05 |
| 6145691 | Fuel tank | Hiroshi Inaoka, Ryuta Itou, Joji Fujinami | 2000-11-14 |
| 5944216 | Fuel tank | Hiroshi Inaoka, Ryuta Itou, Joji Fujinami | 1999-08-31 |