Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819507 | Optical element like corner cube retroreflector and reflective display device including such an optical element | Kiyoshi Minoura, Masahiko Tomikawa | 2004-11-16 |
| 6787976 | Luminous display element including an optical member for reflecting light in a direction opposite to an incident direction | Kiyoshi Minoura, Masahiko Tomikawa | 2004-09-07 |
| 6704079 | Display device | Kiyoshi Minoura, Masahiko Tomikawa, Eiji Satoh, Tomoko Teranishi, Yasuhisa Itoh | 2004-03-09 |