Chie Fukuda
22Patents
4h-index
22Co-inventors
63Inventor score
Filing activity: Aug 25, 1995 → Jul 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5581647A | Method of fabricating dispersion compensation fiber | Chemistry; Metallurgy | 51 | Expired |
| US5740297A | Dispersion-compensating fiber and method of fabricating the same | Chemistry; Metallurgy | 34 | Expired |
| US9046703B2 | Optical modulator module and semiconductor optical modulator | Physics | 6 | Active |
| US9065251B2 | Wavelength monitor, wavelength lockable laser diode and method for locking emission wavelength of laser diode | Electricity | 6 | Active |
| US8488637B2 | Semiconductor laser | Electricity | 4 | Active |
| US8155161B2 | Semiconductor laser | Electricity | 3 | Active |
| USD986025S1 | Door lock | General | 3 | Active |
| US8737446B2 | Semiconductor laser | Electricity | 2 | Active |
| US8005123B2 | Wavelength tunable laser | Electricity | 2 | Active |
| US9098728B2 | Viewing apparatus and computer-readable medium | Physics | 2 | Active |
| US8149889B2 | Semiconductor laser device | Electricity | 1 | Active |
| US8705901B2 | Method for making polarization rotator and the polarization rotator made thereby | Physics | 1 | Active |
| US7092607B2 | Optical waveguide device, and method of manufacturing optical waveguide device | Physics | 1 | Expired |
| US5746801A | Process of producing fluoride glass | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7181119B2 | Optically amplifying waveguide, optical amplifier module, and optical communication system | Electricity | 1 | Expired |
| US7110639B2 | Lightwave circuit device | Electricity | 1 | Expired |
| US7995635B2 | Semiconductor laser | Electricity | 1 | Active |
| US8384980B2 | Semiconductor optical modulation device, Mach-Zehnder interferometer type semiconductor optical modulator, and method for producing semiconductor optical modulation device | Physics | 1 | Active |
| US7596162B2 | Method for forming a coating film on a facet of a semiconductor laser diode | Electricity | 0 | Active |
| US7127135B2 | Optical device with lightwave circuit element | Physics | 0 | Expired |
| US8649410B2 | Semiconductor laser and method for manufacturing the same | Electricity | 0 | Active |
| US7228045B2 | Optical waveguide device and method of manufacturing same | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.