Shiva Kumar
13Patents
6h-index
30Co-inventors
62Inventor score
Filing activity: Jul 27, 2000 → Jul 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6952519B2 | Large effective area high SBS threshold optical fiber | Electricity | 31 | Expired |
| US6611648B2 | Optical fibers having cores with different propagation constants, and methods of manufacturing same | Physics | 27 | Expired |
| US6430346B1 | Negative dispersion single mode waveguide fiber | Physics | 10 | Expired |
| US6671445B2 | Dispersion slope compensating optical fiber | Physics | 10 | Expired |
| US6434310B1 | Single mode optical waveguide fiber with reduced dispersion | Physics | 8 | Expired |
| US7027735B2 | Unequal pulse spacer | Electricity | 7 | Expired |
| US7016583B2 | Dispersion management with phase conjugation | Electricity | 5 | Expired |
| US7076172B2 | Waveguide fiber for noise suppression | Electricity | 4 | Expired |
| US8363947B2 | Handwritten character recognition based on frequency variations in characters | Physics | 2 | Active |
| US10515028B2 | Reference voltage calibration using a qualified weighted average | Emerging Cross-Sectional Technologies | 1 | Active |
| US8494277B2 | Handwritten character recognition based on frequency variations in characters | Physics | 0 | Active |
| US10019387B2 | Reference voltage calibration using a qualified weighted average | Emerging Cross-Sectional Technologies | 0 | Active |
| US8494278B2 | Handwritten character recognition based on frequency variations in characters | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.