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For the Inventor, By the Inventor

Tokyo, Japan

Keiichi Motoi

This inventor holds 11 USPTO granted patents and 3 published patent applications. Top assignees: Nec Corporation, Tokyo Institute of Technology. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Motoi. Retrieved from https://idiyas.com/inventor/keiichi-motoi-s85b0vfs

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

USPTO Granted Patents = 11 

% Patents Active = 90.9

Average Co-Inventor Count = 1.5

ph-index = 1

Forward Citations = 24(Granted Patents)


Company Filing History:

goldMedal11 out of 36,718 
 
Nec Corporation
 patents
silverMedal1 out of 591 
 
Tokyo Institute of Technology
 patents
where one patent can have more than one assignee

Years Active: 2016-2026

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11 patents (USPTO):Explore Patents
1. 12665280 - Radio apparatus, radio system, and heat dissipation structure (2026-06-23),
2. 12506238 - Filter and antenna module (2025-12-23),
3. 11862862 - Communication device (2024-01-02),
4. 11469524 - Polarized wave shared array antenna and method for manufacturing the same (2022-10-11),
5. 11411663 - Processing device, processing method, processing program and calibration device for array antenna (2022-08-09),
6. 10998627 - Phase adjustment circuit and array antenna device (2021-05-04),
7. 10629977 - Filter circuit and frequency switching method (2020-04-21),
8. 10381701 - Filter circuit and frequency switching method (2019-08-13),
9. 10044379 - Transmitter, signal synthesis circuit, and signal synthesis method (2018-08-07),
10. 9793862 - Transmitter and transmission method (2017-10-17),
11. 9319255 - Transmitter, signal-synthesizing circuit, and signal-synthesizing method (2016-04-19),

Title: Innovator Profile: Keiichi Motoi - Pioneering Inventor in Communication Technology

Introduction: Meet Keiichi Motoi, a prolific inventor based in Tokyo, Japan, with a remarkable portfolio of 9 patents in cutting-edge communication technology. His innovative spirit and dedication to advancing the field have positioned him as a leading figure in the industry.

Latest Patents: Keiichi Motoi's latest patents showcase his expertise in communication devices and antenna technology. One of his recent inventions includes a groundbreaking communication device featuring advanced antenna elements and phase shifters for enhanced signal processing. Additionally, his invention of a polarized wave shared array antenna with integrated circuits demonstrates his commitment to driving efficiency and performance in wireless communications.

Career Highlights: Keiichi Motoi has made significant contributions to the field of communication technology through his work at prestigious organizations such as NEC Corporation and the Tokyo Institute of Technology. His strategic insights and technical acumen have propelled the development of innovative solutions that have reshaped the industry landscape.

Collaborations: Throughout his career, Keiichi Motoi has collaborated with esteemed colleagues such as Naoki Oshima and Kazumi Shiikuma. Together, they have synergized their expertise to push the boundaries of communication technology and create impactful solutions that address the evolving needs of the market.

Conclusion: Keiichi Motoi's dedication to innovation and his relentless pursuit of excellence have established him as a trailblazer in the field of communication technology. His visionary inventions and collaborative spirit serve as a testament to his commitment to driving progress and shaping the future of the industry.

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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