Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482274 | Nonchromate metallic surface treating agent for PCM use, method for PCM surface treatment, and treated PCM steel panel | Toshiaki Shimakura, Katsuyoshi Yamasoe, Christian Jung | 2002-11-19 |
| 6475300 | Non-chromate metallic surface-treating agent, method for surface treatment, and treated steel material | Toshiaki Shimakura, Katsuyoshi Yamasoe, Hiromasa Nomura, Hiroshi Kanai, Kouhei Ueda | 2002-11-05 |
| 6447589 | Method of producing a water-base resin composition for rust-preventive coating | Toshiaki Shimakura, Katsuyoshi Yamasoe | 2002-09-10 |