Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810160 | Optical wiring substrate, method of manufacturing optical wiring substrate and multilayer optical wiring | Akio Sugama, Masayuki Kato, Masatoshi Ishii, Tsuyoshi Aoki | 2004-10-26 |
| 6728489 | Optical transmission system constructing method and system | Keiji Tomooka, Naohiro Sakakida, Shin Nishimura, Yoshihiro Ashi, Hironari Matsuda +6 more | 2004-04-27 |
| 6700910 | Wavelength tunable laser and optical device | Masahiro Aoki, Tomonobu Tsuchiya, Hiroyuki Gomyo | 2004-03-02 |