Fujisawa, Japan

Makoto Ota

This inventor holds 3 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents. Top assignees: Kabushiki Kaisha Kobe Seiko Sho, Ihi Corporation, Jfe Steel Corporation. Active years: 2011-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Ota. Retrieved from https://idiyas.com/inventor/makoto-ota-688992ny

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

Calculating rank

% Patents Active = 66.7


 

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Kanagawa, JP (2012)
  • Fujisawa, JP (2011 - 2019)

Company Filing History:


Years Active: 2011-2019

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3 patents (USPTO):Explore Patents

Title: The Innovations of Makoto Ota

Introduction

Makoto Ota is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of welding technology, holding a total of 3 patents. His work focuses on improving welding materials and processes, which are crucial for various industrial applications.

Latest Patents

One of his latest patents is for a flux for submerged arc welding. This innovative flux provides excellent welding workability and reduces the diffusion hydrogen content in weld metal, making it suitable for both AC and DC welding power sources. The composition of the flux includes AlO, SiO, MgO, and other materials, ensuring optimal performance. Another significant patent involves a high-strength welded steel pipe that boasts a tensile strength of 800 MPa or more. This steel pipe includes a weld metal with high cold-cracking resistance and low-temperature toughness, achieved through a carefully balanced composition of various elements.

Career Highlights

Throughout his career, Makoto Ota has worked with prominent companies such as Kabushiki Kaisha Kobe Seiko Sho and IHI Corporation. His experience in these organizations has allowed him to refine his expertise in welding technology and contribute to advancements in the field.

Collaborations

Makoto Ota has collaborated with notable coworkers, including Shigeki Nishiyama and Noboru Kiji. Their combined efforts have led to innovative solutions in welding processes and materials.

Conclusion

Makoto Ota's contributions to welding technology through his patents and collaborations highlight his importance as an inventor in the industry. His work continues to influence advancements in welding materials and processes, showcasing the impact of innovation in engineering.

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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