Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891521 | Method of painting cut edge of precoated steel sheet and painting apparatus for same | Ryoji Nishioka, Kohei Ueda, Yukihisa Kuriyama | 1999-04-06 |
| 5879765 | Thin metallic sheet structure having sound damping characteristics | Tatsuya Sakiyama, Yukihisa Kuriyama | 1999-03-09 |