Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12388555 | Node equipment, wavelength monitor, and wavelength monitoring method | — | 2025-08-12 |
| 12224850 | Monitoring apparatus, monitoring method, and non-transitory computer-readable medium containing program | — | 2025-02-11 |
| 12206457 | Optical transmission line determination apparatus, optical transmission line determination method, and non-transitory computer readable medium | — | 2025-01-21 |
| 8693884 | Optical transmission system | — | 2014-04-08 |
| 8611764 | Optical receiver module | — | 2013-12-17 |
| 7991299 | Optical transmitter with driving voltage control and method | Tadashi Koga | 2011-08-02 |
| 7860409 | Optical receiver, optical receiving apparatus using the optical receiver and optical receiving method thereof | Masaki Sato, Tadashi Koga | 2010-12-28 |
| 7480013 | Projection type display apparatus | Masanao Asami | 2009-01-20 |
| 7170678 | Optical color separation and synthesis system, and method of constructing optical color separation and synthesis system | Ryo Nishima | 2007-01-30 |
| 6715889 | Projection type display apparatus | Ryo Nishima | 2004-04-06 |
| 5597251 | Color printer | Yoshitaka Suzuki, Osamu Tajima, Satoshi Yonemitsu, Masaki Takahashi | 1997-01-28 |