John Canning
12Patents
4h-index
11Co-inventors
57Inventor score
Filing activity: Oct 4, 1996 → Apr 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5830622A | Optical grating | Emerging Cross-Sectional Technologies | 93 | Expired |
| US6272165A | Distributed feedback ring laser | Electricity | 8 | Expired |
| US6539135B1 | Process for control of birefringence in waveguides | Physics | 5 | Expired |
| US6766078B1 | Grating structure and optical devices | Physics | 4 | Expired |
| US6463194B1 | Narrow transmission bandpass filters utilizing bragg grating assisted mode conversion | Physics | 2 | Expired |
| US6529668B1 | Absorbing layer for minimizing substrate exposure during the UV writing of a waveguide grating in addition to a birefringent control system | Physics | 2 | Expired |
| US6706455B1 | Method for creating an optical structure within a photosensitive light transmissive material and of enhancing the photosensitivity of the photosensitive light transmissive material | Chemistry; Metallurgy | 2 | Expired |
| US6792166B1 | Laser assisted thermal poling of silica based waveguides | Physics | 1 | Expired |
| US11454334B1 | Accuracy of control valves using a short-stroke position converter | Emerging Cross-Sectional Technologies | 0 | Active |
| US11421799B1 | Accuracy of control valves using a long-stroke position converter | Emerging Cross-Sectional Technologies | 0 | Active |
| US7379645B2 | Optical fiber with fresnel diffraction | Physics | 0 | Expired |
| US9500289B2 | Device to provide failsafe mechanism on a valve actuator assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.