% Expired Patents = 50.0

Forward Citations = 40

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8 inventors (with patents filed for the assignee):

Hitoshi Utagawa (4 out of 7 patents)

Toshiaki Matsui (4 out of 16 patents)

Ryuzo Ohmukai (2 out of 3 patents)

4. Kozo Takahashi (1 out of 32 patents)

5. Masayoshi Watanabe (1 out of 2 patents)

6. Noriaki Obara (1 out of 1 patent)

7. Hisao Inuki (1 out of 1 patent)

8. Yoshihisa Masuda (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8922424 - Pulse radar device (2014-12-30),

2. 8847817 - Pulse signal generation device (2014-09-30),

3. 8705652 - Pulse wireless communication device (2014-04-22),

4. 8380140 - Microwave/millimeter wave communication apparatus (2013-02-19),

5. 6686290 - Method of forming a fine pattern (2004-02-03),

6. 6680473 - Atomic beam control apparatus and method (2004-01-20),

7. 6426721 - Phase control device and system for phased array antenna (2002-07-30),

8. 4837582 - Method and apparatus for detecting electromagnetic waves generated by (1989-06-06),

Company Overview

Communications Research Laboratory, Inc. is a leading provider of advanced communication solutions for government and commercial clients. With a focus on research and development, we deliver cutting-edge technologies in areas such as satellite communication, signal processing, and cybersecurity. Our team of experts is dedicated to providing innovative solutions that meet the unique needs of our clients and help them achieve their communication goals.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#1 in Koganei

#5,045 in Japan

Koganei, Japan

Communications Research Laboratory, Inc.

Forward Citations = 40

8 inventors:

Hitoshi Utagawa (4 out of 7 patents)

Toshiaki Matsui (4 out of 16 patents)

Ryuzo Ohmukai (2 out of 3 patents)

4. Kozo Takahashi (1 out of 32 patents)

5. Masayoshi Watanabe (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Communications Research Laboratory, Inc.. Retrieved from https://idiyas.com/company/communications-research-laboratory

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]