Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023104 | LED array alignment mark, method and mask for forming same, and LED array alignment method | Masumi Koizumi, Yukio Nakamura, Masaharu Nobori | 2000-02-08 |
| 5943586 | LED array alignment mark, method and mask for forming same, and LED array alignment method | Masumi Koizumi, Yukio Nakamura, Masaharu Nobori | 1999-08-24 |
| 5869848 | End face light-emitting-type LED, end face light-emitting-type LED array and methods of manufacturing them | Masaharu Nobori, Hiroyuki Fujiwara, Masumi Koizumi, Makoto Ishimaru, Yukio Nakamura | 1999-02-09 |