James D. Mayo
95Patents
25h-index
102Co-inventors
91Inventor score
Filing activity: Jun 1, 1987 → Mar 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5473064A | Hydroxygallium phthalocyanine imaging members and processes | Chemistry; Metallurgy | 165 | Expired |
| US5482811A | Method of making hydroxygallium phthalocyanine type V photoconductive imaging members | Physics | 148 | Expired |
| US5521306A | Processes for the preparation of hydroxygallium phthalocyanine | Chemistry; Metallurgy | 127 | Expired |
| US6472523B1 | Phthalocyanine compositions | Chemistry; Metallurgy | 112 | Expired |
| US5378574A | Inks and liquid developers containing colored silica particles | Chemistry; Metallurgy | 109 | Expired |
| US6726755B2 | Ink compositions containing phthalocyanines | Chemistry; Metallurgy | 104 | Expired |
| US6713614B2 | Dimeric azo pyridone colorants | Emerging Cross-Sectional Technologies | 103 | Expired |
| US6590082B1 | Azo pyridone colorants | Emerging Cross-Sectional Technologies | 103 | Expired |
| US6476219B1 | Methods for preparing phthalocyanine compositions | Chemistry; Metallurgy | 101 | Expired |
| US6673139B1 | Phase change inks containing dimeric azo pyridone colorants | Chemistry; Metallurgy | 98 | Expired |
| US6663703B1 | Phase change inks containing dimeric azo pyridone colorants | Chemistry; Metallurgy | 98 | Expired |
| US6646111B1 | Dimeric azo pyridone colorants | Emerging Cross-Sectional Technologies | 98 | Expired |
| US6755902B2 | Phase change inks containing azo pyridone colorants | Chemistry; Metallurgy | 96 | Expired |
| US6576748B1 | Method for making dimeric azo pyridone colorants | Emerging Cross-Sectional Technologies | 95 | Expired |
| US6576747B1 | Processes for preparing dianthranilate compounds and diazopyridone colorants | Emerging Cross-Sectional Technologies | 95 | Expired |
| US6696552B2 | Process for preparing substituted pyridone compounds | Emerging Cross-Sectional Technologies | 91 | Expired |
| US5166339A | Processes for the preparation of titanium phthalocyanines | Physics | 85 | Expired |
| US7381831B1 | Colorant compounds | Chemistry; Metallurgy | 84 | Active |
| US5189156A | Processes for the preparation of titanium-phthalocyanine Type X | Chemistry; Metallurgy | 71 | Expired |
| US5189155A | Titanyl phthalocyanine Type I processes | Chemistry; Metallurgy | 65 | Expired |
| US5709737A | Ink jet inks and printing processes | Chemistry; Metallurgy | 53 | Expired |
| US9284469B2 | Film-forming hydrophilic polymers for transfix printing process | Chemistry; Metallurgy | 52 | Active |
| US5030535A | Liquid developer compositions containing polyolefin resins | Physics | 45 | Expired |
| US5897695A | Ink compositions | Chemistry; Metallurgy | 35 | Expired |
| US5300393A | Imaging members and processes for the preparation thereof | Physics | 30 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.