John Heaton
18Patents
7h-index
22Co-inventors
66Inventor score
Filing activity: May 22, 1990 → Mar 31, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5410625A | Optical device for beam splitting and recombining | Electricity | 58 | Expired |
| US5082342A | Electro-optic waveguide device | Physics | 47 | Expired |
| US5239598A | Electro-optic waveguide device | Physics | 42 | Expired |
| US5428698A | Signal routing device | Physics | 41 | Expired |
| US6978067B2 | Horizontal access semiconductor photo detector | Emerging Cross-Sectional Technologies | 34 | Expired |
| US7382943B1 | Four arm linearised Mach Zehnder modulator | Physics | 13 | Active |
| US5475776A | Optical mixing device | Electricity | 10 | Expired |
| US7130493B2 | Travelling-wave guide electro-optic modulator | Physics | 7 | Expired |
| US6385353B1 | Electrically tuneable optical filter | Physics | 5 | Expired |
| US9588296B2 | Semiconductor optical waveguide device | Physics | 4 | Active |
| US11378825B2 | Electrical-optical modulator | Physics | 3 | Active |
| US11378826B2 | Electrical-optical modulator | Physics | 3 | Active |
| US8244076B2 | Tuneable electro-optic modulator | Physics | 2 | Active |
| US9885830B2 | Semiconductor optical waveguide device | Physics | 1 | Active |
| US8611534B2 | Electro-optic waveguide polarisation modulator | Physics | 1 | Active |
| US11171466B2 | On-chip wavelength locker | Electricity | 0 | Active |
| US8682113B2 | Electro-optic waveguide polarisation modulator and a method of modulation | Physics | 0 | Active |
| US7982645B2 | Method and device for generating an electrical signal with a wide band arbitrary waveform | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.