Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334297 | Method for production of colored article of aluminum or aluminum alloy | Norio Nakada, Hideo Fukui, Seishiro Ito | 1994-08-02 |
| 5217601 | Method for impartation of blue color to aluminum or aluminum alloy | Norio Nakada, Hideo Fukui, Seishiro Ito | 1993-06-08 |
| 5120405 | Method of coloring aluminum or aluminum alloy material | Seishiro Ito, Hideo Fukui, Norio Nakada | 1992-06-09 |
| 5110782 | Process for producing perovskite-type oxide catalyst | Koichi Moriyama, Hideo Fukui, Ikuya Matsuura | 1992-05-05 |
| 4973369 | Alloy catalyst for oxidation of hydrogen | Tsuyoshi Masumoto, Akihisa Inoue, Hisamichi Kimura, Koichi Moriyama, Hideo Fukui | 1990-11-27 |
| 4420378 | Method for forming decorative colored streak patterns on the surface of an aluminum shaped article | Masatake Tsuboi, Kazuo Aikawa | 1983-12-13 |
| 4225398 | Method of improving the corrosion resistance of an anodically oxidized surface film on aluminum articles | Mutsuo Hasegawa, Katsuyuki Nagata, Shinji Hayashi, Hiroshi Yamagata | 1980-09-30 |
| 4210499 | Method of forming colored patterns on aluminum or its alloys | Katsuyuki Nagata, Nobushige Doguchi | 1980-07-01 |
| 4210695 | Method of forming colored patterns on aluminum or its alloys | Katsuyuki Nagata, Nobushige Doguchi | 1980-07-01 |