Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020897 | Joint structure of steel pipe and light metal pipe | Toshiyuki Katayama, Yoshio Nakano, Masamichi Matsui | 2011-09-20 |
| 8002390 | Piezoelectric element substrate, liquid droplet ejecting head, liquid droplet ejecting device, and piezoelectric element substrate manufacturing method | Hiroyuki Usami | 2011-08-23 |