Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7944138 | Fluorescent display tube | Takehiro Iizawa, Shinichi Narushima, Katsushi Tokura, Yukihiko Shimizu | 2011-05-17 |
| 6624573 | Fluorescent display device | Soichi Shinya, Toshio Suzuki, Kazuhiko Tojo | 2003-09-23 |