Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614588 | Optical amplifier having various control circuitry | Kiwami Matsushita, Yukio Horiuchi, Masatoshi Suzuki, Noboru Edagawa, Shu Yamamoto +1 more | 2003-09-02 |
| 6519381 | Optical switch and method of producing the same | Tatsuo Hatta, Atsushi Sugitatsu, Takeshi Saito, Jun Fujita | 2003-02-11 |