Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334297 | Method for production of colored article of aluminum or aluminum alloy | Hideo Fukui, Hatsuo Hirono, Seishiro Ito | 1994-08-02 |
| 5217601 | Method for impartation of blue color to aluminum or aluminum alloy | Hideo Fukui, Hatsuo Hirono, Seishiro Ito | 1993-06-08 |
| 5120405 | Method of coloring aluminum or aluminum alloy material | Seishiro Ito, Hideo Fukui, Hatsuo Hirono | 1992-06-09 |