Photonics & Co., Limited
10Patents
0Active
10Granted
31Portfolio score
Filing activity: Apr 21, 1988 → Nov 28, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4977618A | Infrared data communications | Electricity | 354 | Expired |
| US5124991A | Error correction for infrared data communication | Electricity | 103 | Expired |
| US5245460A | Infrared network entry permission method and apparatus | Electricity | 45 | Expired |
| US5191461A | Infrared network transceiver apparatus | Electricity | 24 | Expired |
| US5384652A | Infrared communication repeater architecture | Electricity | 22 | Expired |
| USD351158S | Infrared digital transceiver | General | 21 | Expired |
| US5119226A | Infrared network entry permission apparatus | Electricity | 15 | Expired |
| US5760942A | Noise tolerant receiver for wideband optical transmission system | Electricity | 11 | Expired |
| USD336089S | Infrared data tranceiver | General | 10 | Expired |
| US5142538A | Link protocol for RS 232 communications | Electricity | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.