Kobe, Japan

Kunihiro Doi

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1983-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiro Doi. Retrieved from https://idiyas.com/inventor/kunihiro-doi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 37(Granted Patents)


Location History:

  • Amagasaki, JP (1983)
  • Kobe, JP (1990)

Company Filing History:


Years Active: 1983-1990

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2 patents (USPTO):Explore Patents

Title: Kunihiro Doi: Innovator in Fuel-Cell Technology and Deodorizing Solutions

Introduction

Kunihiro Doi is a prominent inventor based in Kobe, Japan. He has made significant contributions to the fields of fuel-cell technology and environmental solutions. With a total of 2 patents, Doi's work reflects his commitment to innovation and sustainability.

Latest Patents

Doi's latest patents include a fuel-cell device and a dry deodorizing apparatus. The fuel-cell device features switching valves that activate during urgent stops or power suspensions. It also includes differential pressure detectors that monitor excess fuel and air pressures, along with pressure controllers that manage the operation of control valves. The dry deodorizing apparatus is designed to oxidize and remove bad smell components using ozone and bromine. This innovative system ensures that no secondary environmental pollution occurs due to the ozonizing materials.

Career Highlights

Kunihiro Doi is associated with Mitsubishi Denki Kabushiki Kaisha, a leading company in the technology sector. His work at Mitsubishi has allowed him to focus on developing advanced solutions that address both energy efficiency and environmental concerns.

Collaborations

Doi has collaborated with notable coworkers, including Tetsu Takeyama and Kenkoku Azuma. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Kunihiro Doi's contributions to fuel-cell technology and deodorizing solutions highlight his innovative spirit and dedication to improving environmental conditions. His patents reflect a forward-thinking approach that is essential in today's technological landscape.

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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