Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448954 | Active matrix display device and scanning circuit | Kenichi Katoh, Yasushi Kubota, Jun Koyama | 2002-09-10 |
| 6421041 | Active matrix display and image forming system based on multiple partial image displays | Shunpei Yamazaki, Jun Koyama | 2002-07-16 |