Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781294 | Cold cathode and cold cathode discharge device | Tadashi Sakai, Tomio Ono, Zhang Li | 2004-08-24 |
| 6753488 | Microswitch and method of manufacturing the same | Tomio Ono, Tadashi Sakai, Mariko Suzuki | 2004-06-22 |