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Yokosuka, Japan

Keiichi Kitagawa

This inventor holds 4 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 2003-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Kitagawa. Retrieved from https://idiyas.com/inventor/keiichi-kitagawa-tagaeh9q

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

Calculating rank

USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 42(Granted Patents)

Company Filing History:

4 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Years Active: 2003-2007

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7292862 - Base station apparatus, communication terminal apparatus, and communication method (2007-11-06),

2. 6871046 - Radio transmitting apparatus and radio transmitting method (2005-03-22),

3. 6636723 - CDMA radio communication system using chip interleaving (2003-10-21),

4. 6603980 - Transmitter-receiver, and method for controlling transmission power of the same (2003-08-05),

Profile summary based on public USPTO records.

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]

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