Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835112 | Electroluminescent lamp and method for manufacturing the same | Koji Tanabe, Akito Kawasumi, Shinji Okuma, Naohiro Nishioka | 2004-12-28 |
| 6831411 | Electroluminescent lamp having luminescent layer with phosphor particles fixed uniformly | Koji Tanabe, Akito Kawasumi, Shinji Okuma, Naohiro Nishioka | 2004-12-14 |
| 6741028 | EL element with dielectric insulation layer | Koji Tanabe, Naohiro Nishioka | 2004-05-25 |