Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650689 | Vacuum airtight device having NbN electrode structure incorporated therein | Shigeo Itoh, Teruo Watanabe, Kazuhiko Tsuburaya, Yoshihiko Hirata, Hiroshi Nakagawa | 1997-07-22 |