Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360639 | Method of providing a decorative pattern on a screw head | — | 1994-11-01 |
| 5306895 | Corrosion-resistant member for chemical apparatus using halogen series corrosive gas | Ryusuke Ushikoshi, Kazuhiro Nobori, Yusuke Niori, Koichi Umemoto, Hiromichi Kobayashi +1 more | 1994-04-26 |