Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10806394 | Information processing method and information processing system | Hiroko Sugimoto | 2020-10-20 |
| 6053936 | Portable illumination device for modifying circadian rhythms | Emi Koyama, Hozumi Matsubara, Toshio Nakano, Hiroshi Hagihara | 2000-04-25 |
| 5993401 | Relax inducing device with heartbeat detection unit | Hiroyuki Inbe, Kusuo Iwanaga, Kazumi Ookawa, Satoru Makita | 1999-11-30 |
| 5266070 | Relaxation refreshment apparatus | Hiroshi Hagiwara, Kazunori Araki | 1993-11-30 |
| 5101831 | System for discriminating sleep state | Emi Koyama, Hiroshi Hagiwara | 1992-04-07 |
| 5024650 | Stress dissolving refreshment system | Hiroshi Hagiwara, Kazunori Araki | 1991-06-18 |