Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864780 | Data transmission system using a human body as a signal transmission path | Kenji Doi, Masaru Hashimoto, Masaki Koyama, Tokuhisa Nishimura | 2005-03-08 |
| 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 |
| 6525670 | In-home health care system | Kenji Doi, Mitsuhide Maeda, Hitoshi Sakakibara, Masaru Hashimoto, Keiichi Yoshida +3 more | 2003-02-25 |
| 5371135 | Modified olefin resin and resin composition | — | 1994-12-06 |
| 5298568 | Modified olefin resin and resin composition | — | 1994-03-29 |
| D295729 | Wrist watch | — | 1988-05-17 |