Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655810 | Lighting unit | Keiji Hayashi, Takeshi Gotoh, Hisashi Yamaguchi, Tetsuya Kobayashi, Tetsuya Hamada +1 more | 2003-12-02 |
| 6639642 | Display device having diffraction grating | Yukio Iigahama, Hisashi Yamaguchi, Takeshi Gotoh, Tetsuya Hamada, Keiji Hayashi +7 more | 2003-10-28 |
| 6615232 | Mobile agent and method for providing identifying information to mobile agents and subsequent generation agents | Kazuhiro Minami | 2003-09-02 |
| 6559910 | Display device with condenser elements | Tetsuya Kobayashi, Takeshi Gotoh, Tetsuya Hamada, Keiji Hayashi, Mari Sugawara +3 more | 2003-05-06 |
| 6552760 | Luminaire with improved light utilization efficiency | Takeshi Gotoh, Tetsuya Kobayashi, Tetsuya Hamada, Mari Sugawara, Keiji Hayashi +2 more | 2003-04-22 |
| 6513936 | Projector | Masaru Ishiwa, Keiji Hayashi, Tetsuya Kobayashi, Tetsuya Hamada, Takeshi Gotoh +1 more | 2003-02-04 |