Tokyo, Japan

Tomoya Yamakawa

This inventor holds 36 USPTO granted patents and 1 EPO patent, primarily in Flow Rate Sensors. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mazda Motor Corporation. Active years: 1989-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoya Yamakawa. Retrieved from https://idiyas.com/inventor/tomoya-yamakawa

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


% Patents Active = 100.0


Average Co-Inventor Count = 3.1

ph-index = 13

Forward Citations = 376(Granted Patents)


Location History:

  • Hyogo, JP (1990 - 1994)
  • Himeji, JP (1989 - 1995)
  • Toyko, JP (2001)
  • Tokyo, JP (1998 - 2005)

Company Filing History:


Years Active: 1989-2005

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Areas of Expertise:
Flow Rate Sensor
Thermo-Sensitive Sensor
Heat Generation Sensor
Thermal Flow Sensor
Air Flow Rate
Flow Rate Measuring Device
Gas Flow Measurement
Temperature Sensing Structure
Internal Combustion Engine
Protective Member
Thermoresistor
Flow Rate Detector
36 patents (USPTO):Explore Patents

Title: **Tomoya Yamakawa: A Pioneer in Gas Measurement Technologies**

Introduction

Tomoya Yamakawa, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of gas measurement technologies with an impressive portfolio of 36 patents. His dedication to innovation is exemplified through his latest inventions, which are tailored to enhance the accuracy and efficiency of gas flow measurement systems.

Latest Patents

Yamakawa's latest patents include an innovative gas flow rate and temperature measuring element, designed to improve the precision of gas temperature detection. This invention features a unique wiring configuration wherein the gas detection wiring includes a first wiring portion that is strategically positioned parallel and in close proximity to a flow rate detector. Additionally, a second wiring portion effectively extends to the end of a pectinate pattern at the gas temperature detector portion, enhancing the thermal resistance by narrowing a section of the second wiring. Another notable invention is his flow rate measuring device. This device integrates a post within a fluid passage that spans across the fluid flow while housing a measuring duct. The fluid introduction port is elongated, and the measuring duct narrows smoothly toward the downstream direction, ensuring accurate measurements of flow rates.

Career Highlights

Tomoya Yamakawa has held various positions in esteemed companies, including Mitsubishi Electric Corporation and Mazda Motor Corporation. His experience in these organizations has equipped him with valuable insights into the practical applications of his innovative designs and inventions.

Collaborations

Throughout his career, Yamakawa has collaborated with notable professionals, including Hiroyuki Uramachi and Fumiyoshi Yonezawa. These collaborations have contributed to his innovative mindset and have fostered an environment of creativity and technological advancement.

Conclusion

With a strong background in engineering and numerous patents to his name, Tomoya Yamakawa continues to make significant strides in the realm of gas measurement devices. His groundbreaking inventions not only exemplify his expertise but also push the boundaries of innovation in 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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