Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7429247 | Sleep state estimating device and program product | Yoshihisa Fujiwara, Yasushi Yamamoto, Fumiiki Yoneda | 2008-09-30 |
| 7150718 | Sleep state estimation device and program product for providing a computer with a sleep state estimation function | Takeshi Minamiura, Hidetaka Sakai, Yasushi Yamamoto, Yoshihisa Fujiwara | 2006-12-19 |