Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126294 | Portable light irradiation apparatus | Hozumi Matsubara, Hiroyuki Nishimura, Toshio Nakano, Yoshimasa Tanaka, Suehiro Morita | 2000-10-03 |
| 6053936 | Portable illumination device for modifying circadian rhythms | Hozumi Matsubara, Toshio Nakano, Hiroshi Hagihara, Akihiro Michimori | 2000-04-25 |
| 5101831 | System for discriminating sleep state | Akihiro Michimori, Hiroshi Hagiwara | 1992-04-07 |