Okazaki, Japan

Masaru Tsunokawa

This inventor holds 7 USPTO granted patents, plus 1 CIPO patent. Top assignees: Nippon Soken, Inc., Denso Corporation, Nippondenso Co., Ltd.. Active years: 1997-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Tsunokawa. Retrieved from https://idiyas.com/inventor/masaru-tsunokawa

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 = 4.1

ph-index = 4

Forward Citations = 79(Granted Patents)


Location History:

  • Nishio, JP (1997 - 1998)
  • Okazaki, JP (1997 - 2014)

Company Filing History:


Years Active: 1997-2014

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7 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masaru Tsunokawa

Introduction

Masaru Tsunokawa is a prominent inventor based in Okazaki, Japan. He has made significant contributions to the field of fuel cell technology and vehicle heating systems. With a total of seven patents to his name, Tsunokawa's work reflects a commitment to advancing energy efficiency and vehicle comfort.

Latest Patents

Tsunokawa's latest patents include a fuel cell, a fuel cell system, and a control method for the fuel cell system. This innovative fuel cell design features multiple cells, including a first cell with a specific fuel gas flow path and a second cell equipped with a sensor. The sensor measures a parameter related to the decrease in fuel gas concentration in the second flow path. Another notable patent is for a heating apparatus for vehicles. This system includes a pump that circulates cooling water in a circuit and a heating heat exchanger that warms the air blown into the passenger compartment. The design incorporates a throttle valve that adjusts based on the temperature of the cooling water, enhancing heating capacity without manual intervention.

Career Highlights

Throughout his career, Tsunokawa has worked with notable companies such as Nippon Soken, Inc. and Denso Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.

Collaborations

Tsunokawa has collaborated with talented individuals in his field, including Sadahisa Onimaru and Yukikatsu Ozaki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Masaru Tsunokawa's contributions to fuel cell technology and vehicle heating systems demonstrate his innovative spirit and dedication to improving energy efficiency. His patents reflect a deep understanding of engineering principles and a commitment to enhancing the functionality of modern vehicles.

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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