Tokyo, Japan

Masaaki Fujita

This inventor holds 8 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Hitachi Power Systems, Ltd.. Active years: 2002-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Fujita. Retrieved from https://idiyas.com/inventor/masaaki-fujita-99a6739l

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 87.5

 

Average Co-Inventor Count = 6.5

ph-index = 3

Forward Citations = 17(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2003)
  • Nagasaki, JP (2014)
  • Tokyo, JP (2002 - 2017)
  • Yokohama, JP (2024)

Company Filing History:


Years Active: 2002-2024

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8 patents (USPTO):Explore Patents

Title: Masaaki Fujita: Innovator in Repair Welding and High-Temperature Piping

Introduction

Masaaki Fujita is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the fields of welding and piping technology. With a total of eight patents to his name, Fujita has developed innovative methods that enhance the durability and efficiency of industrial materials.

Latest Patents

Fujita's latest patents include a repair welding method designed for members where a first end and a second end of a parent material are connected by welding. This method involves removing a portion of the first heat-affected zone of an existing welded portion and performing repair welding afterward. The intersection angle between the heat-affected zones during this process is crucial, ranging from 70° to 110°. Another notable patent focuses on extending the life expectancy of high-temperature piping. This method entails removing heat insulation material from piping at risk of creep rupture and lowering the outer surface temperature of the piping. The exposed portion's width is calculated based on specific formulae to ensure optimal performance.

Career Highlights

Fujita has worked with leading companies in the industry, including Mitsubishi Heavy Industries Limited and Mitsubishi Hitachi Power Systems, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in welding and piping technologies.

Collaborations

Fujita has collaborated with notable coworkers such as Nobuhiko Nishimura and Toshihiko Imamoto, further enhancing his innovative capabilities through teamwork and shared expertise.

Conclusion

Masaaki Fujita's work in repair welding and high-temperature piping exemplifies the impact of innovation in engineering. His patents not only address critical challenges in the industry but also pave the way for future advancements.

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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