Eric Joseph Johnson
74Patents
17h-index
98Co-inventors
87Inventor score
Filing activity: Oct 14, 1988 → Jan 24, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4957943A | Particle-filled microporous materials | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5130342A | Particle-filled microporous materials | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5914734A | Printhead servicing system and method using a moveable wiper between a fluid source and a printhead | Performing Operations; Transporting | 66 | Expired |
| US6135585A | Replaceable capping system for inkjet printheads | Performing Operations; Transporting | 64 | Expired |
| US5905514A | Servicing system for an inkjet printhead | Performing Operations; Transporting | 54 | Expired |
| US6241347A | Inkjet printing with replaceable set of ink-related components (printhead/service module/ink supply) for each color of ink | Performing Operations; Transporting | 53 | Expired |
| US5886718A | Ink-jet off axis ink delivery system | Physics | 52 | Expired |
| US5907335A | Wet wiping printhead cleaning system using a non-contact technique for applying a printhead treatment fluid | Performing Operations; Transporting | 36 | Expired |
| US6585347B1 | Printhead servicing based on relocating stationary print cartridges away from print zone | Performing Operations; Transporting | 30 | Expired |
| US6913338B2 | Servicing system for an inkjet printhead | Performing Operations; Transporting | 24 | Expired |
| USD921284S1 | Vaporizer cartridge | General | 22 | Active |
| US6224186A | Replaceable inkjet ink solvent application system | Performing Operations; Transporting | 22 | Expired |
| US6155667A | Replaceable snout wiper for inkjet cartridges | Performing Operations; Transporting | 20 | Expired |
| USD430600S | Printhead service station unit | General | 20 | Expired |
| US6203135A | Independent servicing of multiple inkjet printheads | Performing Operations; Transporting | 18 | Expired |
| US5189078A | Microwave radiation absorbing adhesive | Chemistry; Metallurgy | 18 | Expired |
| USD943158S1 | Vaporizer cartridge | General | 17 | Active |
| US5238975A | Microwave radiation absorbing adhesive | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6520621B1 | Dual wiper scrapers for incompatible inkjet ink wipers | Performing Operations; Transporting | 14 | Expired |
| US6481822B2 | Independent servicing of multiple inkjet printheads | Performing Operations; Transporting | 12 | Expired |
| US6402290B1 | Replaceable capping system for inkjet printheads | Performing Operations; Transporting | 11 | Expired |
| US6189995A | Manually replaceable printhead servicing module for each different inkjet printhead | Performing Operations; Transporting | 10 | Expired |
| US10905835B2 | Heating element | Electricity | 9 | Active |
| US6524021B2 | Multiple orientation image forming device and carriage for use with same | Performing Operations; Transporting | 8 | Expired |
| US6464327B1 | Replaceable snout wiper for inkjet cartridges | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.