Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172869 | Jaw crusher | Tomohiro Kitsukawa, Yoshihiko Isebaba, Masanao Hirakawa | 1992-12-22 |
| 4647631 | Modified liquid resole phenolic resinous composition for friction materials | Kenichi Noguchi | 1987-03-03 |
| 4369263 | Friction material containing steel wool as reinforcing agent | Noriaki Matsushima, Ken NOGUCHI | 1983-01-18 |