Tokyo, Japan

Yuji Douzaki

This inventor holds 1 USPTO granted patent. Top assignee: Yuho Chemicals Inc.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Douzaki. Retrieved from https://idiyas.com/inventor/yuji-douzaki

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 = 2.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Yuji Douzaki

Introduction

Yuji Douzaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of soldering technology. His innovative approach has led to the development of a unique additive that enhances the performance of fluxes and soldering pastes.

Latest Patents

Douzaki holds a patent for an "Additive for Fluxes and Soldering Pastes." This innovative additive contains a silicone resin that acts as a deactivation agent at soldering temperatures. The silicone resin effectively deactivates activators, such as organic acids, present in fluxes and soldering pastes. This process allows for the removal of oxide films from metallic bases used in electric circuits. By utilizing this additive, the corrosion of the metallic base is prevented, even when the activator remains on the surface. Furthermore, this invention eliminates the need for unnecessary washing steps in the preparation of electric circuits.

Career Highlights

Yuji Douzaki has dedicated his career to advancing soldering technology. His work at Yuho Chemicals Inc. has positioned him as a key player in the industry. His innovative solutions have garnered attention and respect among his peers.

Collaborations

Douzaki collaborates with fellow inventor Tadashi Gomi, contributing to the development of cutting-edge technologies in their field.

Conclusion

Yuji Douzaki's contributions to soldering technology through his innovative additive have made a significant impact on the industry. His work continues to influence advancements in electric circuit preparation.

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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