Inventor · Buffalo Grove, IL, US

Michael D. Kotzin

132Patents
39h-index
87Co-inventors
93Inventor score

Filing activity: Nov 13, 1981 → May 14, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5928325A Method of dynamically establishing communication of incoming messages to one or more user devices presently available to an intended recipient Electricity 271 Expired
US6977675B2 Method and apparatus for virtually expanding a display Physics 198 Expired
US5506863A Method and apparatus for operating with a hopping control channel in a communication system Electricity 158 Expired
US5734967A Method and apparatus for reducing self interference in a communication system Emerging Cross-Sectional Technologies 156 Expired
US6038263A Method and apparatus for transmitting signals in a communication system Electricity 147 Expired
US6466804B1 Method and apparatus for remote multiple access to subscriber identity module Electricity 145 Expired
US6173005A Apparatus and method for transmitting signals in a communication system Electricity 143 Expired
US6470180B1 Exploiting a broadcast system to enhance a wireless gaming experience Electricity 140 Expired
US5210771A Multiple user spread-spectrum communication system Electricity 129 Expired
US6992580B2 Portable communication device and corresponding method of operation Human Necessities 127 Expired
US5127054A Speech quality improvement for voice coders and synthesizers Electricity 114 Expired
US5235612A Method and apparatus for cancelling spread-spectrum noise Electricity 108 Expired
US5864764A Infrastructure transceiver and method for configuration based on location information Electricity 107 Expired
US5796722A Method and apparatus for dynamic load balancing using handoff Electricity 102 Expired
US6141542A Method and apparatus for controlling transmit diversity in a communication system Electricity 89 Expired
US5228029A Cellular TDM communication system employing offset frame synchronization Electricity 84 Expired
US7206847B1 Smart card with back up Physics 78 Expired
US5038342A TDM/FDM communication system supporting both TDM and FDM-only communication units Electricity 74 Expired
US5430761A Reduced interference through offset frequency partitioning Electricity 72 Expired
US6157669A Method and apparatus for preempting burst frequency assignments in a frequency-hopping communication system Electricity 70 Expired
US5555447A Method and apparatus for mitigating speech loss in a communication system Electricity 66 Expired
US5054075A Subband decoding method and apparatus Electricity 66 Expired
US5263047A Multiple cavity tuning of a transmitter output in a communication system Electricity 61 Expired
US6438381B1 Method and apparatus for location determination of a cellular telephone Electricity 61 Expired
US6101175A Method and apparatus for handoff within a communication system Electricity 60 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.