Bunsen Fan
23Patents
12h-index
17Co-inventors
74Inventor score
Filing activity: Apr 29, 1985 → Jan 23, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4744615A | Laser beam homogenizer | Physics | 161 | Expired |
| US5054872A | Polymeric optical waveguides and methods of forming the same | Physics | 65 | Expired |
| US4959540A | Optical clock system with optical time delay means | Physics | 49 | Expired |
| US6498775B1 | Multi-layer optical recording media and system for recording and reproducing information data | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5838653A | Multiple layer optical recording media and method and system for recording and reproducing information using the same | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4629611A | Gas purifier for rare-gas fluoride lasers | Electricity | 27 | Expired |
| US6072629A | Polarizer devices and methods for making the same | Physics | 27 | Expired |
| US6965420B2 | Spectrum-controllable reflective polarizers having electrically-switchable modes of operation | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6141367A | Solid state dye laser | Electricity | 18 | Expired |
| US6633354B2 | Spectrum-controllable reflective polarizers having electrically-switchable modes of operation | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6473143B2 | Broadband switchable polarizer | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6094410A | Multi-layer optical recording media and method for recording and reproducing information using the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6369868B1 | Liquid crystal polarizer with electrically controllable bandwidth | Physics | 11 | Expired |
| US6106743A | Structurally ordered articles, fabrication method and applications of the same | Chemistry; Metallurgy | 11 | Expired |
| US6252710A | Polarizer devices and methods for making the same | Physics | 11 | Expired |
| US5045680A | Integrated circuit optoelectronic toggle F/F | Electricity | 8 | Expired |
| US6941051B2 | Method for producing non-linear optical organic crystal film | Physics | 7 | Expired |
| US6303056A | Composite nonlinear optical film, method of producing the same and applications of the same | Physics | 7 | Expired |
| US6005838A | Multi-layers optical recording media and system for recording and reproducing information data | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6697133B2 | Controllable bandwidth polarizer | Physics | 5 | Expired |
| US6936195B2 | Method and apparatus for storing and retrieving information using optical data storage media | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6577798B2 | Method for producing non-linear optical organic crystal film | Physics | 1 | Expired |
| US6873381B2 | System for controlling unpolarized electromagnetic radiation | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.