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For the Inventor, By the Inventor

Yokohama, Japan

Keizo Cho

This inventor holds 13 USPTO granted patents and 2 published patent applications and 9 EPO patents, primarily in Adaptive Antenna Design. Top assignees: Nippon Telegraph and Telephone Corporation, Ntt Docomo, Inc., Denki Kogyo Company, Limited. Active years: 1992-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizo Cho. Retrieved from https://idiyas.com/inventor/keizo-cho

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 61.5

 

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 165(Granted Patents)


Location History:

  • Yokohama, JP (1992 - 2014)
  • Kanagawa, JP (1997 - 2020)

Company Filing History:

goldMedal7 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
silverMedal5 out of 4,965 
 
Ntt Docomo, Inc.
 patents
bronzeMedal1 out of 13 
 
Denki Kogyo Company, Limited
 patents

Years Active: 1992-2020

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Areas of Expertise:
Leaky-Wave Antenna
Adaptive Antenna Control
Base Station Technology
Mobile Station
Bidirectional Antenna
Antenna Equipment
Antenna Optimization
Adaptive Array Antenna
Transceiver Apparatus
Area Shaping Method
Communication Types
Wrist Watch Receiver
13 patents (USPTO):Explore Patents
1. 10665954 - Leaky-wave antenna (2020-05-26),
2. 8781407 - Antenna equipment including the grouping of antenna elements according to communication types (2014-07-15),
3. 8688130 - Mobile station, base station, and area shaping method performed by specified base station (2014-04-01),
4. 8588835 - Base station apparatus and directivity control method in mobile communication system (2013-11-19),
5. 8301152 - Mobile station, base station, and area shaping method performed by specified base station (2012-10-30),
6. 8078113 - Adaptive antenna control method and adaptive antenna transmission/reception characteristic control method (2011-12-13),
7. 7873582 - Maze creating method, antenna optimum designing method, program, and antenna, using two-bit/quaternary chromosomes (2011-01-18),
8. 7302232 - Adaptive antenna control method and adaptive antenna transmission/reception characteristic control method (2007-11-27),
9. 6735182 - Adaptive array antenna system (2004-05-11),
10. 6690952 - Adaptive array antenna transceiver apparatus (2004-02-10),
11. 6292135 - Adaptive array antenna system (2001-09-18),
12. 5594455 - Bidirectional printed antenna (1997-01-14),
13. 5136303 - Wrist watch type receiver (1992-08-04),

Title: Inventor Keizo Cho: Revolutionizing Technology in Yokohama

Introduction: Keizo Cho is a renowned inventor based in Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Keizo Cho holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Keizo Cho has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Keizo Cho has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing in the tech industry.

Conclusion: Keizo Cho's passion for innovation and his relentless pursuit of technological excellence have solidified his reputation as a visionary inventor in Yokohama and beyond.

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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