Inventor · Ann Arbor, MI, US

Dumitru Ionescu

42Patents
15h-index
23Co-inventors
81Inventor score

Filing activity: Nov 25, 1998 → Jul 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7599443B2 Method and apparatus to balance maximum information rate with quality of service in a MIMO system Electricity 62 Expired
US6295289A Power control in a transmitter Electricity 61 Expired
US8031793B2 Apparatus using concatenations of signal-space codes for jointly encoding across multiple transmit antennas, and employing coordinate interleaving Electricity 45 Active
US7409001B2 Method and apparatus using coordinate interleaving to increase diversity in a MIMO system Electricity 39 Active
US6943249B2 Methods for isolating crystalline Form I of 5-azacytidine Chemistry; Metallurgy 35 Expired
US6887855B2 Forms of 5-azacytidine Chemistry; Metallurgy 32 Expired
US6204361A Method of peptide synthesis Chemistry; Metallurgy 32 Expired
US7078518B2 Forms of 5-Azacytidine Chemistry; Metallurgy 30 Expired
US7858774B2 Synthesis of 5-azacytidine Chemistry; Metallurgy 29 Active
US7038038B2 Synthesis of 5-azacytidine Chemistry; Metallurgy 25 Expired
US7684753B2 Method and device for transmission parameter selection in mobile communications Electricity 25 Active
US7772199B2 Forms of 5-azacytidine Chemistry; Metallurgy 20 Active
US8058424B2 Synthesis of 5-azacytidine Chemistry; Metallurgy 19 Active
US7700770B2 Methods for isolating crystalline form I of 5-azacytidine Chemistry; Metallurgy 18 Expired
US9135208B1 Method and system for group management Electricity 16 Active
US6741658B1 Apparatus, and associated method, for forming a signal for communication upon a fading channel Electricity 15 Expired
US8211862B2 Pharmaceutical compositions comprising crystal forms of 5-azacytidine Chemistry; Metallurgy 14 Active
US8761307B1 Low-power narrow and wide band receiver system Electricity 9 Active
US8576961B1 System and method for adaptive overlap and add length estimation Electricity 8 Active
US7764747B2 Methods and systems for transmitting and processing pilot signals Electricity 7 Active
US9994584B2 Process of synthesizing 3-(4-methylpiperazine-1-carbonyl)-7-oxabicyclo[2.2.1] heptane-2-carboxylic acid Chemistry; Metallurgy 6 Active
US6603809B1 Apparatus, and associated method, for forming a signal for communication upon a fading channel Electricity 4 Expired
US8345783B1 Phase tracking system and method Electricity 4 Active
US6922447B1 Apparatus, and associated method, for forming a signal exhibiting space-time redundancy Electricity 4 Expired
US6693973B2 Apparatus, and associated method, for forming a systematic, recursive, space-time code Electricity 3 Expired

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