Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545294 | ELECTRONIC APPARATUS HAVING SEMICONDUCTOR DEVICE INCLUDING PLURALITY OF TRANSISTORS FORMED ON A POLYCRYSTALLINE LAYERED STRUCTURE IN WHICH THE NUMBER OF CRYSTAL GRAINS IN EACH POLYCRYSTALLINE LAYER IS GRADUALLY REDUCED FROM LOWER TO UPPER LAYER | Shinya Yamaguchi, Kiyokazu Nakagawa, Nobuyuki Sugii | 2003-04-08 |
| 6529304 | Optical communication equipment and system | Yoshinobu Kimura, Kiyokazu Nakagawa, Nobuyuki Sugii, Takuya Maruizumi | 2003-03-04 |