Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6055112 | Lensed cascaded optical filter | Margot Campbell-Miller, Yihao Cheng, Nebojsa Galic, Gary Pomerant | 2000-04-25 |
| 6011623 | Fault detection system for an amplified optical transmission system | Robert I. MacDonald | 2000-01-04 |
| 5594825 | Optical connector coupling for reducing unwanted effects associated with high power density | Richard Parker | 1997-01-14 |
| 4763977 | Optical fiber coupler with tunable coupling ratio and method of making | Masao Kawachi, Kenneth O. Hill, Derwyn C. Johnson | 1988-08-16 |
| 4586784 | Modal-insensitive biconical taper couplers | Yves Tremblay, Francois Bilodeau | 1986-05-06 |
| 4474427 | Optical fiber reflective filter | Kenneth O. Hill, Derwyn C. Johnson, Yoshimasa Fujii | 1984-10-02 |
| 4457581 | Passive fiber optic data bus configurations | Derwyn C. Johnson, Kenneth O. Hill | 1984-07-03 |
| 4369371 | Broadband high speed optoelectronic semiconductor switch | Elmer H. Hara, R. Ian MacDonald, Robert S. H. Hum | 1983-01-18 |
| 4330170 | Low-loss star couplers for optical fiber systems | Derwyn C. Johnson, Kenneth O. Hill | 1982-05-18 |
| 4291940 | Low loss access coupler for multimode optical fiber distribution systems | Kenneth O. Hill, Derwyn C. Johnson | 1981-09-29 |