Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887288 | Superfinishing grindstone | Motoharu Akiyama, Noriyuki Yoshimura | 2005-05-03 |
| 6855279 | Weather-resistant exterior building material | Rikuro Obara | 2005-02-15 |
| 6846355 | Road paving material and method | Noriyuki Yoshimura, Jun Hirose | 2005-01-25 |