John D. Meyer
50Patents
16h-index
44Co-inventors
84Inventor score
Filing activity: Jan 23, 1978 → Nov 3, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4490728A | Thermal ink jet printer | Performing Operations; Transporting | 336 | Expired |
| US5151120A | Solid ink compositions for thermal ink-jet printing having improved printing characteristics | Chemistry; Metallurgy | 184 | Expired |
| US4680645A | Method for rendering gray scale images with variable dot sizes | Electricity | 102 | Expired |
| US5508826A | Method and apparatus for calibrated digital printing using a four by four transformation matrix | Electricity | 86 | Expired |
| USD375499S | Loudspeaker | General | 49 | Expired |
| USD271967S | Loudspeaker | General | 47 | Expired |
| US4514741A | Thermal ink jet printer utilizing a printhead resistor having a central cold spot | Performing Operations; Transporting | 44 | Expired |
| US4589728A | Optical fiber polarizer | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5185801A | Correction circuit and method for improving the transient behavior of a two-way loudspeaker system | Electricity | 33 | Expired |
| US6668969B2 | Manifold for a horn loudspeaker and method | Electricity | 27 | Expired |
| US4152552A | Horn speaker and method for producing low distortion sound | Physics | 23 | Expired |
| US5065167A | Vaporizable solid ink composition for thermal ink-jet printing | Chemistry; Metallurgy | 23 | Expired |
| US5377274A | Correction circuit and method for improving the transient behavior of a two-way loudspeaker system | Electricity | 22 | Expired |
| USD505942S1 | Front of a loudspeaker | General | 21 | Expired |
| US5925856A | Loudspeaker horn | Electricity | 19 | Expired |
| US6081602A | Arrayable two-way loudspeaker system and method | Electricity | 17 | Expired |
| US5602367A | Multiple tuned high power bass reflex speaker system | Electricity | 16 | Expired |
| US4755020A | Gas-blocked optical fiber cable unit | Physics | 14 | Expired |
| USD373359S | Loudspeaker | General | 12 | Expired |
| US8428284B2 | Loudspeaker with passive low frequency directional control | Electricity | 12 | Active |
| US5821470A | Broadband acoustical transmitting system | Electricity | 11 | Expired |
| USD508691S1 | Microphone | General | 9 | Expired |
| US7299893B2 | Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources | Electricity | 8 | Expired |
| US7069219B2 | System and user interface for producing acoustic response predictions via a communications network | Electricity | 8 | Expired |
| US9392366B1 | Magnitude and phase correction of a hearing device | Electricity | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.