Toyokawa, Japan

Koji Numata

This inventor holds 25 USPTO granted patents and 1 EPO patent, primarily in Automotive Antenna Technology. Top assignees: Nippon Soken, Inc., Nippondenso Co., Ltd., Denso Corporation. Active years: 1982-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Numata. Retrieved from https://idiyas.com/inventor/koji-numata

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


% Patents Active = 84.0


Average Co-Inventor Count = 3.4

ph-index = 11

Forward Citations = 776(Granted Patents)


Location History:

  • Toyohashi, JP (1990)
  • Toyokawa, JP (1982 - 2010)

Company Filing History:


Years Active: 1982-2010

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Areas of Expertise:
On-Vehicle Film Antenna
Noise Reception Reduction
Mobile Antenna
Ultrasonic Temperature Measurement
Transmissivity Detection
Vehicle Headlight Control
Direction Detection
Automobile Route Display
Turn Angle Detection
Magnetic Field Measurement
Demagnetizing Apparatus
Position Indicator
25 patents (USPTO):Explore Patents

Title: An Insight into the Innovations of Koji Numata

Introduction

Koji Numata, a prolific inventor based in Toyokawa, Japan, has made significant contributions to the field of technology with a remarkable portfolio of 25 patents. His work is particularly recognized for its focus on advanced antenna designs, showcasing his expertise and innovative spirit.

Latest Patents

One of Numata's latest innovations is the design of an on-vehicle film antenna. This antenna system integrates both a loop antenna and a monopole antenna, specifically fashioned for seamless attachment to a vehicle's windshield. The loop antenna features a first element tuned to correspond with a first frequency band, connecting to a power supply positioned near the junction between the vehicle chassis and windshield. Conversely, the monopole antenna's second element is calibrated for a different frequency band, featuring a shared power supply connection while remaining unconnected to the chassis. This sophisticated design enhances the antenna's capability to receive a broader range of radio waves.

Career Highlights

Throughout his career, Koji Numata has worked with several esteemed companies, including Nippon Soken, Inc. and Nippondenso Co., Ltd. His tenure at these firms has undoubtedly contributed to his extensive knowledge and development of cutting-edge technology, particularly in antenna engineering.

Collaborations

Numata has collaborated with notable colleagues, such as Muneaki Matsumoto and Akira Kuno. These partnerships have played a crucial role in the evolution of his inventions and help facilitate the exchange of ideas that drive innovation forward.

Conclusion

Koji Numata stands out as a noteworthy inventor in the realm of antenna technology, with a significant number of patents testifying to his innovative prowess. His contributions not only enhance the functionality of vehicles but also pave the way for future advancements in communication technologies.

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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