Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8537000 | Anti-drowsing device and anti-drowsing method | Kenji Kimura, Bertin Rodolphe Okombi-Diba | 2013-09-17 |
| 8260501 | Awake state estimation device | Kenji Kimura, Tsuyoshi Ehama | 2012-09-04 |
| 7830266 | Drowsy state determination device and method | Kenji Kimura, Bertin Rodolphe Okombi-Diba | 2010-11-09 |
| 6110847 | Carbon fiber woven fabric | Iwao Yamamoto, Akihiko Yoshiya | 2000-08-29 |
| 5721308 | Pitch based carbon fiber and process for producing the same | Iwao Yamamoto, Akihiko Yoshiya, Kazuo Shirosaki | 1998-02-24 |
| 5348719 | Process for producing carbon fibers having high strand strength | Iwao Yamamoto, Akihiko Yoshiya | 1994-09-20 |
| 4923692 | Process for producing pitch-type carbon fibers | Hiroshi Tahara, Tetuo Yamada, Hiroyuki Sekiguchi, Hidemi Murata | 1990-05-08 |