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, Hirokazu Tanaka, Yoshifusa Shoji, Takahiro Koyama, Toshihiko Fukuda | 2003-10-28 |
| 6627330 | Aluminum alloy brazing sheet for vacuum brazing exhibiting excellent corrosion resistance, and heat exchanger using the brazing sheet | Masaki Shimizu, Toshihiko Fukuda, Hiroshi Ikeda, Yoshifusa Shoji | 2003-09-30 |