Allan K. Chen
67Patents
15h-index
77Co-inventors
87Inventor score
Filing activity: Apr 23, 1992 → Jun 25, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5994020A | Wax containing colorants | Emerging Cross-Sectional Technologies | 94 | Expired |
| US7358022B2 | Control of particle growth with complexing agents | Physics | 54 | Active |
| USD905602S1 | Rear window visor | General | 51 | Active |
| USD906201S1 | Spoiler | General | 50 | Active |
| US7312011B2 | Super low melt and ultra low melt toners containing crystalline sulfonated polyester | Physics | 38 | Expired |
| US6503680B1 | Latex processes | Physics | 31 | Expired |
| US7402371B2 | Low melt toners and processes thereof | Physics | 30 | Active |
| US6447974B1 | Polymerization processes | Physics | 26 | Expired |
| USD583238S1 | Lid for a container | General | 21 | Expired |
| USD746191S1 | Automobile rear window ornament | General | 20 | Active |
| US7425398B2 | Sulfonated polyester toner | Physics | 19 | Active |
| US5391452A | Polyester toner and developer compositions | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7442740B2 | Hybrid toner processes | Physics | 18 | Active |
| USD962136S1 | Spoiler | General | 17 | Active |
| USD919522S1 | Spoiler for vehicle | General | 16 | Active |
| USD919523S1 | Spoiler for vehicle | General | 15 | Active |
| US6294606A | Nonionic surfactant-free emulsion polymerization process | Physics | 15 | Expired |
| USD932963S1 | Spoiler for vehicle | General | 14 | Active |
| USD944155S1 | Vehicle rear spoiler | General | 14 | Active |
| US7214463B2 | Toner processes | Physics | 13 | Expired |
| US6942954B2 | Toner processes | Physics | 13 | Expired |
| US6455219B1 | Semicontinuous emulsion polymerization process for making silica-containing latex for toners | Physics | 12 | Expired |
| US6458501B1 | Forming a toner using surfactant-free emulsion polymerization | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6767684B1 | Toner processes | Chemistry; Metallurgy | 12 | Expired |
| USD962135S1 | Vehicle rear spoiler | General | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.