Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7874120 | Connecting structure for steel frame columns and steel frame girders | Eiichi Ohata, Kazuo Wakasugi, Kenji Narita | 2011-01-25 |
| 5766674 | Method of producing a printed wiring board | — | 1998-06-16 |