Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MH

Michael Hirano — 21 Patents

ATAT&T: 14 patents #1,249 of 18,772Top 7%
CICingular Wireless Ii: 5 patents #7 of 226Top 4%
AIAirbiquity: 2 patents #23 of 42Top 55%
Redmond, WA: #546 of 8,547 inventorsTop 7%
Washington: #4,391 of 76,902 inventorsTop 6%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Michael Hirano has been granted 21 US patents while listed as an inventor at AT&T. The first was granted in 1999 and the most recent in July 2015. Michael Hirano ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Michael Hirano in Redmond, WA, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9088388 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 2015-07-21 $31,427,000
8693432 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 2014-04-08 $16,937,000
8594138 Methods for in-band signaling through enhanced variable-rate codecs 2013-11-26
8305990 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 2012-11-06 $17,949,000
7983310 Methods for in-band signaling through enhanced variable-rate codecs Kiley Birmingham, Lee Zhao, David Quimby 2011-07-19
7983217 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 2011-07-19 $14,173,000
7450542 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 2008-11-11 $18,484,000
7095708 Methods and apparatus for use in communicating voice and high speed data in a wireless communication system Siavash Alamouti, Jeffrey A. Battin, David Gibbons, James Timothy Golden, Elliott Hoole +7 more 2006-08-22
7065165 Automatic gain control methods and apparatus suitable for use in OFDM receivers Jari M. Heinonen, Hongliang Zhang 2006-06-20
6940933 Apparatus and method for synchronization in a multiple-carrier communications system by observing a phase-frequency relationship of a plurality of pilot signals Jari M. Heinonen 2005-09-06 $19,001,000
6930995 Apparatus and method for synchronization in a multiple-carrier communication system by observing a plurality of synchronization indicators Jari M. Heinonen 2005-08-16 $61,132,000
6853629 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 2005-02-08 $42,864,000
6807147 Methods and apparatus for use in obtaining frame synchronization in an OFDM communication system Jari M. Heinonen, Steven E. McMeekin 2004-10-19
6768714 Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system Jari M. Heinonen, Steven E. McMeekin 2004-07-27
6700866 Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system Jari M. Heinonen, Steven E. McMeekin, Reijo Savola, William Haywood Warner 2004-03-02
6574292 Automatic gain control methods and apparatus suitable for use in OFDM receivers Jari M. Heinonen, Hongliang Zhang 2003-06-03
6560209 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 2003-05-06
6389087 Apparatus and method for synchronization in a multiple-carrier communication system by observing energy within a guard band Jari M. Heinonen 2002-05-14
6363127 Automatic gain control methods and apparatus suitable for use in OFDM receivers Jari M. Heinonen, Hongliang Zhang 2002-03-26
5933421 Method for frequency division duplex communications Siavash Alamouti, Eduardo Casas, Elliott Hoole, Mary Jesse, David G. Michelson +3 more 1999-08-03
5896425 Non-uniformly spaced tones for synchronization waveform Gregory J. Veintimilla 1999-04-20