Nikhil Kumar
41Patents
5h-index
53Co-inventors
68Inventor score
Filing activity: Feb 23, 2012 → Sep 25, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9625651B2 | Integrated multistage taper coupler for waveguide to fiber coupling | Physics | 12 | Active |
| US9885832B2 | Waveguide mode expander using amorphous silicon | Physics | 11 | Active |
| US9658401B2 | Waveguide mode expander having an amorphous-silicon shoulder | Physics | 10 | Active |
| US9465163B2 | High-order-mode filter for semiconductor waveguides | Physics | 8 | Active |
| US10209451B2 | Integrated multistage taper coupler for waveguide to fiber coupling | Physics | 6 | Active |
| US9933575B2 | Integrated multistage taper coupler for waveguide to fiber coupling | Physics | 5 | Active |
| US10345521B2 | Method of modifying mode size of an optical beam, using a waveguide mode expander having non-crystalline silicon features | Physics | 5 | Active |
| US9531159B2 | Directional semiconductor waveguide coupler | Electricity | 4 | Active |
| US11300732B2 | Low loss high efficiency photonic phase shifter with dielectric electrodes | Physics | 4 | Active |
| US10001600B2 | Waveguide mode expander having an amorphous-silicon shoulder | Physics | 4 | Active |
| US11573375B2 | Low loss high efficiency photonic phase shifter with dielectric electrodes | Physics | 3 | Active |
| US10747085B1 | Optical switches based on induced optical loss | Physics | 2 | Active |
| US10412077B2 | Identity authentication migration between different authentication systems | Electricity | 1 | Active |
| US11711052B2 | Geared drive system providing intermittent motion | Emerging Cross-Sectional Technologies | 1 | Active |
| US10768369B2 | Waveguide mode expander having non-crystalline silicon features | Physics | 1 | Active |
| US10749783B2 | Test device and test method | Electricity | 1 | Active |
| US10467022B2 | Measurement device and method for configuring and upgrading measurement software | Physics | 1 | Active |
| US11592046B2 | Torque tube coupler | Emerging Cross-Sectional Technologies | 1 | Active |
| US11886817B2 | Electronic apparatus and method for controlling thereof | Physics | 1 | Active |
| US11502596B2 | Three-phase differential mode converter | Emerging Cross-Sectional Technologies | 1 | Active |
| US11314143B2 | Optical switches based on induced optical loss | Physics | 1 | Active |
| US11391891B2 | Fabrication method for photonic devices | Physics | 1 | Active |
| US11409039B2 | Waveguide mode expander having non-crystalline silicon features | Physics | 0 | Active |
| US12164184B2 | Electro-optical device fabricated on a substrate | Physics | 0 | Active |
| US12229445B2 | Reconfiguration framework for byzantine fault tolerant (BFT) state machine replication (SMR) systems | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.