Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857225 | Cleaning chemical for aluminium surface | Youji Ono, Yokichi Satoh, Hideaki Kaneko | 1989-08-15 |
| 4784731 | Chromate treatment of a metal coated steel sheet | Seijun Higuchi, Akinori Maruta, Kenichi Asakawa, Akimitsu Fukuda, Youji Ono | 1988-11-15 |
| 4756805 | Treatment of galvanized steel | Akimitsu Fukuda, Yohji Oho | 1988-07-12 |
| 4339310 | Method of surface treatment of tin plated cans and tin plated steel sheets | Nobuyuki Oda | 1982-07-13 |
| 4306917 | Conversion coating solutions for treating metallic surfaces | Nobuyuki Oda | 1981-12-22 |
| 4220486 | Conversion coating solution for treating metallic surfaces | Yasunobu Matsushima, Nobuyuki Oda | 1980-09-02 |