Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492849 | Supply voltage detection circuit | Yoshitsugu Inagaki, Koji Oka | 2002-12-10 |
| 6479930 | Dispersion-type electroluminescence element | Koji Tanabe, Naohiro Nishioka, Yosuke Chikahisa | 2002-11-12 |