Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244708 | Electromagnetic wave shielding interior material | Ryoichi Isoyama, Kazumasa Onishi, Teruo Matsui | 1993-09-14 |
| 5098009 | Method for joining joint portions of electromagnetic wave shielding materials | Ryoichi Isoyama, Kazumasa Onishi, Kei Ito, Teruo Matsui, Hiroo Ueno | 1992-03-24 |