Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909297 | Drift compensating circuit for optical modulators in an optical system | George Ishikawa, Hiroshi Nishimoto, Motoyoshi Sekiya, Hiroaki Tomofuji | 1999-06-01 |
| 5896217 | Optical transmission system, optical multiplexing transmission system, and related peripheral techniques | George Ishikawa, Hiroshi Nishimoto, Motoyoshi Sekiya, Hiroaki Tomofuji | 1999-04-20 |
| 5870213 | Optical transmission system, optical multiplexing transmission system, and related peripheral techniques | George Ishikawa, Hiroshi Nishimoto, Motoyoshi Sekiya, Hiroaki Tomofuji | 1999-02-09 |
| 5815294 | Optical transmission system with transmission characteristic measuring device | George Ishikawa, Hiroshi Nishimoto, Motoyoshi Sekiya, Hiroaki Tomofuji | 1998-09-29 |
| 5805321 | Control unit for optical modulators producing multiplexed optical output signal | George Ishikawa, Hiroshi Nishimoto | 1998-09-08 |
| 5760937 | Optical demultiplexer | George Ishikawa, Hiroshi Nishimoto, Motoyoshi Sekiya, Hiroaki Tomofuji | 1998-06-02 |
| 5754322 | Optical transmission system, optical multiplexing transmission system, and related peripheral techniques | George Ishikawa, Hiroshi Nishimoto, Motoyoshi Sekiya, Hiroaki Tomofuji | 1998-05-19 |