Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6229834 | Led display device | Kazumi Unno, Masayuki Ishikawa, Ryo Saeki, Takafumi Nakamura, Masanobu Iwamoto | 2001-05-08 |
| 5732098 | LED display device | Kazumi Unno, Masayuki Ishikawa, Ryo Saeki, Takafumi Nakamura, Masanobu Iwamoto | 1998-03-24 |