Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019845 | Method for coating inner surfaces of metal tubes with powdery paint and apparatus therefor | — | 2000-02-01 |
| 4774105 | Heavy duty anticorrosion treatment of metal articles | Hisayoshi Takazawa, Ryoji Takekoshi, Yuzo Matsudaira, Yoshio Nakakoshi | 1988-09-27 |
| 4471109 | Polyester powdered paint | Hideo Watase | 1984-09-11 |