Frederick G. Johnson
17Patents
8h-index
20Co-inventors
68Inventor score
Filing activity: May 2, 2000 → Aug 31, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6614977B2 | Use of deuterated gases for the vapor deposition of thin films for low-loss optical devices and waveguides | Physics | 36 | Expired |
| US7796262B1 | Integrated optical resonator device for measuring chemical and biological analyte concentrations | Physics | 36 | Active |
| US7356221B2 | Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape | Physics | 24 | Active |
| US7043133B2 | Silicon-oxycarbide high index contrast, low-loss optical waveguides and integrated thermo-optic devices | Physics | 23 | Expired |
| US7231113B2 | Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape | Physics | 11 | Expired |
| US6407407B1 | Ridge laser with oxidized strain-compensated superlattice of group III-V semiconductor | Electricity | 10 | Expired |
| US6768828B2 | Integrated optical circuit with dense planarized cladding layer | Physics | 9 | Expired |
| US7435944B2 | Microresonator-based high-performance high-pressure sensor and system | Physics | 8 | Active |
| US7973265B2 | Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape | Physics | 7 | Active |
| US7244926B2 | Microresonator-based high-performance high-pressure sensor and system | Physics | 7 | Expired |
| US6493366B1 | Vertical cavity surface emitting laser with oxidized strain-compensated superlattice of group III-V semiconductor | Electricity | 6 | Expired |
| US6771868B2 | Use of deuterated gases for the vapor deposition of thin films for low-loss optical devices and waveguides | Physics | 5 | Expired |
| US7583879B2 | Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape | Physics | 4 | Active |
| US6531414B1 | Method of oxidizing strain-compensated superlattice of group III-V semiconductor | Electricity | 4 | Expired |
| US6949392B2 | Integrated optical circuit with dense planarized cladding layer | Physics | 4 | Expired |
| US7903910B2 | Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape | Physics | 2 | Active |
| US6610612B2 | Method of efficient controllable and repeatable wet oxidation in a phosphorous-rich III-V material system | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.