Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7583367 | Catheter surgery simulation | Toshio Fukuda, Ikuo Takahashi | 2009-09-01 |
| 7267492 | Optical integrated device | Seimi Sasaki | 2007-09-11 |
| 6392784 | Faraday rotator | Nobuhiro Fukushima, Hirohiko Sonada | 2002-05-21 |
| 6384957 | Variable optical attenuator utilizing Faraday effect | Nobuhiro Fukushima, Hirohiko Sonoda | 2002-05-07 |
| 5200011 | Non-digging tube reverse lining engineering method of conduit | Minoru Imamura, Hiroaki Kobayashi, Shigeru Toyoda | 1993-04-06 |