John J. Breen
69Patents
18h-index
58Co-inventors
87Inventor score
Filing activity: Dec 13, 1979 → Sep 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8934655B2 | Orientation-responsive use of acoustic reflection | Electricity | 384 | Active |
| US4989271A | Headphone cushioning | Electricity | 100 | Expired |
| USD326855S | Headphone earpiece | General | 68 | Expired |
| US5056161A | Headset having reduced width nested bands which are grasped by earcup supporting block | Electricity | 65 | Expired |
| US5181252A | High compliance headphone driving | Electricity | 47 | Expired |
| US8360387B2 | Actuator including mechanism for converting rotary motion to linear motion | Emerging Cross-Sectional Technologies | 35 | Active |
| US7202577B2 | Self-cooling actuator | Electricity | 35 | Expired |
| US7391184B2 | Systems and methods for integration of charger regulation within a battery system | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6600298B2 | Switching DC-DC converter with the output voltage changing inversely to any change in the converter inductor current | Emerging Cross-Sectional Technologies | 31 | Expired |
| US8994346B2 | Systems and methods for dynamic management of switching frequency for voltage regulation | Emerging Cross-Sectional Technologies | 29 | Active |
| US7545120B2 | AC-DC adapter and battery charger integration for portable information handling systems | Electricity | 28 | Expired |
| USD876834S1 | Earbud case | General | 24 | Active |
| US6737840B2 | Switching DC/DC converter with the output voltage changing inversely to any change in the converter inductor current | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7592716B2 | Information handling system including a battery that reduces a voltage fluctuation | Electricity | 22 | Expired |
| US5574445A | Digital absolute position encoders | Physics | 20 | Expired |
| US7999520B2 | Static phase shedding for voltage regulators based upon circuit identifiers | Electricity | 20 | Active |
| US6928568B2 | Battery charger current limiting based on maximum current capacity of AC adapter as determined by adapter identification subsystem | Electricity | 20 | Expired |
| US7378819B2 | Systems and methods for regulating pulsed pre-charge current in a battery system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6864666B2 | 4 and 3 series battery stack voltage power source selector | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7538518B2 | Method for detecting a defective charger circuit | Electricity | 18 | Expired |
| US4295715A | Camera mechanism employing a multifunction control member | Physics | 17 | Expired |
| US7296164B2 | Power management scheme for external batteries | Electricity | 17 | Expired |
| US7501960B2 | Control of indicator lights in portable information handling system using ambient light sensors | Electricity | 16 | Active |
| US7436149B2 | Systems and methods for interfacing a battery-powered information handling system with a battery pack of a physically separable battery-powered input or input/output device | Physics | 13 | Active |
| US7595609B2 | Battery system power path configuration and methods for implementing same | Electricity | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.