Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771161 | Data transmission system using a human body as a signal transmission path | Kenji Doi, Mitsuhide Maeda, Hitoshi Sakakibara, Masaru Hashimoto, Keiichi Yoshida +2 more | 2004-08-03 |
| 6771438 | Optical unit and method for assembling the same | Hideto Yamashita | 2004-08-03 |
| 6704151 | Optical unit and method for assembling the same | Hideto Yamashita | 2004-03-09 |