Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825363 | Compounds useful in optical switching and manufacturing method thereof | Minquan Tian, Makoto Furuki, Yasuhiro Sato, Izumi Iwasa, Satoshi Tatsuura | 2004-11-30 |
| 6806996 | Optical switching system | Satoshi Tatsuura, Makoto Furuki, Izumi Iwasa, Yasuhiro Sato, Minquan Tian | 2004-10-19 |