Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8687964 | In-band control mechanism | Santosh Kumar | 2014-04-01 |
| 8463122 | Quality of service in an optical network | Santosh Kumar Sadananda, Jeffery J. Maki | 2013-06-11 |
| 8406620 | Passive optical network (PON) in-band optical time domain reflectometer (OTDR) | Lior Khermosh, Tiberiu Galambos | 2013-03-26 |
| 8244127 | Quality of service in an optical network | Santosh Kumar Sadananda, Jeffery J. Maki | 2012-08-14 |
| 7983560 | Modular WSS-based communications system with colorless add/drop interfaces | Jeffery J. Maki | 2011-07-19 |
| 7885541 | Method and apparatus for optical performance monitoring | — | 2011-02-08 |
| 7848644 | Method and an apparatus to provide optical equipment protection | — | 2010-12-07 |
| 7447397 | Optical switch matrix | Jeffery J. Maki | 2008-11-04 |
| 7174066 | Method and an apparatus to detect signal failure on a per wavelength basis | — | 2007-02-06 |
| 7142746 | Optical backplane system | — | 2006-11-28 |
| 5768279 | Broad band transmission system | Belwinder S. Barn, Joe Geofroy, Piyush Kothary | 1998-06-16 |
| 5387927 | Method and apparatus for broadband transmission from a central office to a number of subscribers | Joe Geofroy, Piyush Kothary | 1995-02-07 |
| 4399541 | Light emitting device package having combined heater/cooler | Tibor F. I. Kovats, Tibor F. Devenyi | 1983-08-16 |
| 4389557 | Semiconductor laser bonding technique | Tibor F. Devenyi, Tibor F. I. Kovats | 1983-06-21 |
| 4329189 | Channelled substrate double heterostructure lasers | Julian P. Noad, Anthony J. Springthorpe | 1982-05-11 |
| 4325034 | Semiconductor lasers with integrally formed light emitting diodes | John C. Dyment, Kiu-Chi D. Chik | 1982-04-13 |
| 4323859 | Chanelled substrate double heterostructure lasers | Julian P. Noad, Anthony J. Springthorpe | 1982-04-06 |