Ray T. Chen
62Patents
15h-index
54Co-inventors
87Inventor score
Filing activity: Jul 10, 1992 → Mar 8, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6269203A | Holographic optical devices for transmission of optical signals | Physics | 147 | Expired |
| US5999672A | Integrated bi-directional dual axial gradient refractive index/diffraction grating wavelength division multiplexer | Physics | 86 | Expired |
| US6024154A | Venetian blind lifting mechanism provided with concealed pull cords | Fixed Constructions | 76 | Expired |
| US6029734A | Venetian blind provided with slat-lifting mechanism having a concealed pull cord | Fixed Constructions | 66 | Expired |
| US6137933A | Integrated bi-directional dual axial gradient refractive index/diffraction grating wavelength division multiplexer | Physics | 57 | Expired |
| US5351136A | Facsimile apparatus and method for sending and receiving private information | Electricity | 54 | Expired |
| US6243509A | Packaging enhanced board level opto-electronic interconnects | Electricity | 29 | Expired |
| US7421179B1 | Apparatus and method for switching, modulation and dynamic control of light transmission using photonic crystals | Physics | 27 | Active |
| US7742411B2 | Highly-scalable hardware-based traffic management within a network processor integrated circuit | Electricity | 26 | Active |
| US6711812B1 | Method of making metal core substrate printed circuit wiring board enabling thermally enhanced ball grid array (BGA) packages | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7112885B2 | System, method and apparatus for improved electrical-to-optical transmitters disposed within printed circuit boards | Electricity | 20 | Expired |
| US5874792A | Bicycle generator | Electricity | 19 | Expired |
| US6510260B2 | N×N optical switching device based on thermal optic induced internal reflection effect | Electricity | 19 | Expired |
| US8571373B2 | Photonic crystal band-shifting device for dynamic control of light transmission | Physics | 16 | Active |
| US7529448B2 | System, method and apparatus for improved electrical-to-optical transmitters disposed within printed circuit boards | Electricity | 15 | Active |
| US6483967B2 | Optical waveguide coupler for interconnection of electro-optical devices | Electricity | 15 | Expired |
| US5908603A | Ozone generator having micro pump | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6470117B1 | Compression-molded three-dimensional tapered universal waveguide couplers | Electricity | 13 | Expired |
| US8200055B2 | Two-dimensional surface normal slow-light photonic crystal waveguide optical phased array | Physics | 12 | Active |
| US5684761A | Swinging type power generator | Physics | 11 | Expired |
| US6894385B1 | Integrated circuit package having bypass capacitors coupled to bottom of package substrate and supporting surface mounting technology | Electricity | 10 | Expired |
| US8189968B2 | Multimode interference coupler for use with slot photonic crystal waveguides | Physics | 10 | Active |
| US5956562A | Electrode plate for use in ozone generators with staggered air vents | Chemistry; Metallurgy | 8 | Expired |
| US6282337A | System and method for wavelength division multiplexing and demultiplexing | Physics | 8 | Expired |
| US8282882B2 | Photonic crystal slot waveguide miniature on-chip absorption spectrometer | Physics | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.