Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638376 | Aluminum alloy piping material having an excellent corrosion resistance and workability | Yoshiharu Hasegawa, Haruhiko Miyachi, Hirokazu Tanaka, Yoshifusa Shoji, Toshihiko Fukuda | 2003-10-28 |
| 6638377 | Aluminum alloy piping material for automotive piping excelling in corrosion resistance and workability | Hirokazu Tanaka, Yoshifusa Shoji | 2003-10-28 |