Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039388 | Plasma forming electrode and method of using the same | Koichi Ito | 1991-08-13 |
| 4536264 | Method for electrolytic treatment | Takanori Masuda, Tsutomu Kakei, Akira Morita, Masahiro Takahashi | 1985-08-20 |
| 4533444 | Method of electrolytic treatment on the surface of metal web | Kazutaka Oda, Hisao Ohba, Akira Morita, Masahiro Takahashi | 1985-08-06 |
| 4510030 | Method for cathodic protection of aluminum material | Koichi Yoshida | 1985-04-09 |
| 4414077 | Method for production of colored aluminum article | Kohichi Yoshida, Yasuo Oka, Takashi Kajiyama | 1983-11-08 |
| 4316780 | Method of producing color-anodized aluminium articles | Kohichi Yoshida, Hiroshi Sano | 1982-02-23 |