% Expired Patents = 83.3

Trademarks = 1

Forward Citations = 67

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7 inventors (with patents filed for the assignee):

Baijun Zhao (6 out of 7 patents)

Sheng Liu (3 out of 123 patents)

Xiyuan Chen (2 out of 2 patents)

4. Jun Hu (1 out of 14 patents)

5. Ping Lin (1 out of 2 patents)

6. Liu Sheng (1 out of 1 patent)

7. Zhiyu Xu (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 7881191 - Method and apparatus for downlink multi-channel packet combined scheduling in mobile communication system (2011-02-01),

2. 7839852 - Apparatus and method for radio transmission of real-time IP packets using header compression technique (2010-11-23),

3. 7647072 - IP switching based distributed radio network controller (2010-01-12),

4. 7596084 - Method for implementing diffserv in the wireless access network of the universal mobile telecommunication system (2009-09-29),

5. 7505448 - Method of wireless channel resource allocation and rate control in a cdma communication system (2009-03-17),

6. 7376128 - Method and system for voice handling via dynamic home agents in a network employing all-IP architecture (2008-05-20),

Company Overview

Utstarcom (China) Co. Ltd. is a leading provider of broadband communication and telecom equipment in China. The company specializes in the research, development, and production of high-quality networking solutions for customers around the world. With a strong commitment to innovation and customer satisfaction, Utstarcom is dedicated to providing cutting-edge technology and reliable services to meet the evolving needs of the telecommunications industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#425 in Beijing

#4,454 in China

Beijing, China

Utstarcom (China) Co. Ltd.

Forward Citations = 67

7 inventors:

Baijun Zhao (6 out of 7 patents)

Sheng Liu (3 out of 123 patents)

Xiyuan Chen (2 out of 2 patents)

4. Jun Hu (1 out of 14 patents)

5. Ping Lin (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Utstarcom (China) Co. Ltd.. Retrieved from https://idiyas.com/company/utstarcom-china-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]