Sanda, Japan

Yoshiharu Tsujimoto

This inventor holds 1 USPTO granted patent. Top assignee: Osaka Sanso Kogyo Ltd.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Tsujimoto. Retrieved from https://idiyas.com/inventor/yoshiharu-tsujimoto-57ea3wt5

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 = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Innovations by Yoshiharu Tsujimoto

Introduction

Yoshiharu Tsujimoto is a notable inventor based in Sanda, Japan. He has made significant contributions to the field of soldering technology, particularly in the area of surface mounting for printed circuit boards. His innovative approach has led to the development of a unique method that enhances the efficiency and effectiveness of soldering processes.

Latest Patents

Tsujimoto holds a patent for a method of soldering using a special atmospheric gas. This method involves performing reflow soldering with a rosin-based cream solder in an atmosphere that includes inert gases such as nitrogen (N₂), argon (Ar), or helium (He). The special atmospheric gas contains about 10,000 ppm or less of oxygen and 0.5-3.0% of moisture, which significantly improves the soldering process.

Career Highlights

Throughout his career, Tsujimoto has been associated with Osaka Sanso Kogyo Ltd., where he has applied his expertise in soldering technology. His work has not only advanced the company's capabilities but has also contributed to the broader field of electronics manufacturing.

Collaborations

Tsujimoto has collaborated with notable colleagues, including Iku Takenaka and Hiromitsu Onishi. These partnerships have fostered innovation and have played a crucial role in the development of new technologies in the industry.

Conclusion

Yoshiharu Tsujimoto's contributions to soldering technology exemplify the impact of innovative thinking in the field of electronics. His patented method showcases the importance of advancements in manufacturing processes, ensuring higher quality and efficiency in electronic components.

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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