Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690503 | Fault tolerant optical amplifier | — | 2004-02-10 |
| 6687521 | Noninvasion biological optical measuring instrument, measured portion holding device, and method for manufacturing the same | Katsuhiko Sato, Nobuhiro Morita, Yukio Ueda, Toshihiko Mizuno, Shigeru Sakamoto +4 more | 2004-02-03 |