Spreadtrum Communications Inc.

Cayman Islands


Create a watch for Spreadtrum Communications Inc.
Total IP 33
Total IP incl. subs 1,288 (+ 1,255 for subs)
Total IP Rank # 44,024
IP Activity Score 0/5.0    0
IP Activity Rank # 1,700,513
IP AS incl. subs 3.5/5.0    1,261
Parent Entity Tsinghua Unigroup Ltd
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

29 2
0 1
0 1
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Last Patent 2009 - Td-scdma based sfn network and a...
First Patent 2002 - Phase difference based frequency...
Last Trademark 2005 - SPREADTRUM
First Trademark 2004 - SPREADTRUM

Subsidiaries

5 subsidiaries with IP (1245 patents, 10 trademarks)

1 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2008 Invention Methods and apparatus for post-processing of speech signals. A method for post-processing of spee...
Invention Td-scdma based sfn network and associated methods. Networking methods of a Single Frequency Netwo...
Invention Networking method of single frequency network in td-scdma system. A networking method of single f...
Invention Mobile tv broadcast systems and methods based on td-scdma network. A mobile TV broadcast system b...
2007 Invention Multi-party digital intercommunication systems and associated methods of operation. This disclosu...
Invention Processes and apparatus for establishing a secured connection with a joint test action group port...
Invention Methods and apparatus for voice activity detection. th-order linear prediction coefficients and u...
Invention Methods and apparatuses of fast cross motion estimation for video encoding. This disclosure is re...
Invention Apparatus and methods for system multiplexing and program element identification. Apparatus and m...
Invention Methods for air interface message transfer in fast call setup processes. A method of UU message t...
2006 Invention Method and system for uplink synchronization. This invention presents a synchronization method fo...
Invention Physical random access channel frame structure and realization. New PRACH frame structures and m...
Invention Variable length physical random access channel frame structure and realization. New PRACH frame ...
Invention Method and apparatus of channel estimation in an intra-frequency cell. This invention discloses a...
Invention Method for color filter array demosaicking. This invention provides a method of interpolating a ...
Invention Method for fast call setup in a mobile communication system. This invention presents a method for...
Invention Method and apparatus for reduced noise and carrier feedthrough in multimode transmitter. A high d...
Invention Multimode receiver control method and apparatus. Various embodiments of the present invention adj...
Invention Joint cell detection method in td-scdma system. Midamble codes, acting as channel estimation, and...
Invention Direct conversion transmitter system and method with quadrature balancing and low lo feed through...
Invention Direct-conversion receiver system and method with quadrature balancing and dc offset removal. A s...
Invention Method and apparatus for cell search in a w-cdma system. A technique is provided for correcting ...
Invention Method and apparatus for automatic frequency correction. A technique is provided for automatic fr...
2005 Invention Method for adjusting speech volume in a telecommunications device. A method of adjusting receive...
Invention Method for determining qpsk modulation sequence of a downlink synchronization code. A method is p...
Invention Method for carrier frequency offset fine estimation in td-scdma system. A simple and efficient me...
Invention Method for measuring locking time and frequency error in rf receiver. A method is provided for me...
Invention Method for cell locking in a wireless communication device. A method is provided for fixing the ...
Invention Gsm/gprs desktop phone message banner. Systems and methods are provided for displaying messages ...
G/S Integrated circuits; integrated circuits and protocol stack software used for wireless communicat...
G/S Integrated circuits; integrated circuits and integrated software used for wireless communication...
Invention Transmitter and receiver architecture for multi-mode wireless device. A multi-mode wireless devic...
Invention Method and apparatus for synchronizing wlan in a multi-mode radio system. Methods and apparatus f...
Invention Printed circuit board including a notch filter for attenuating radio frequency interference. A pr...
2004 Invention Dummy pch block detection for power saving in gsm handset. One of the common channels of the GSM ...
Invention Desktop cellular phone having sim card-related security features. A system and method for securin...
G/S Design, testing, development, and consulting for others in the field of wireless communication sy...
Invention Decreasing computational complexity of td-scdma measurement process. The embodiments of the prese...
Invention Maximum ratio combining of channel estimation for joint detection in td-scdma systems. The embodi...
Invention Customizable mobile phone using at command. A system and method is provided for downloading and ...
Invention Path search method for cdma communication systems. The embodiments of this invention relate gener...
Invention Time interleaved multiple standard single radio system apparatus and method. Multiple wireless c...
Invention Method and system for modifying branch metric of viterbi decoder for uncorrelated signals. The p...
Invention Reconfigurable baseband filter. A reconfigurable baseband filter for use in a multimode communica...
Invention Multi-mode wireless bridge system and method using a single-radio transceiver. A system and metho...
2003 Invention Method and apparatus for frequency tracking based on recovered data. A method of frequency tracki...
Invention Method and apparatus for frequency estimation using iterative filtering in a gsm communications s...
Invention Method and apparatus for silent frame detection in a gsm communications system. A method of detec...
Invention Power ring architecture for embedded low drop off voltage regulators. An integrated circuit inclu...
2002 Invention Receiver signal dynamic range compensation based on received signal strength indicator. A method ...