This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Senju Metal Industry Co., Ltd., Shinko Seiki Company, Limited, Other. Active years: 2005-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Souka, JP (2005)
- Tokyo, JP (2013)
Company Filing History:
3 out of 338 
1 out of 7 
1 out of 834,513 Years Active: 2005-2013
Title: Sakie Yamagata: Innovator in Soldering Technology
Introduction
Sakie Yamagata is a notable inventor based in Souka, Japan. She has made significant contributions to the field of soldering technology, particularly in the development of high-temperature solders and solder pastes. With a total of 3 patents, her work addresses critical challenges in electronic component bonding.
Latest Patents
Yamagata's latest patents include innovative solutions for solder paste and reflow soldering methods. The solder paste invention focuses on high-temperature solders that are free from lead, which have been a challenge in the industry. By mixing flux with a powder mixture of tin or lead-free solder powder and nickel-plated copper or silver powder, her solder paste enhances wettability to printed circuit board lands and electronic part electrodes. This method allows for bonding through the formation of an intermetallic compound without melting, ensuring effective soldering.
The reflow soldering method she developed involves exposing the solder paste to a free radical gas and heating it to reflow the paste. This process vaporizes any active components in the solder paste, eliminating the need for post-soldering cleaning. The result is a cleaner and more efficient soldering process.
Career Highlights
Throughout her career, Yamagata has worked with prominent companies, including Senju Metal Industry Co., Ltd. Her expertise in soldering technology has positioned her as a key player in the industry, contributing to advancements that improve the reliability and efficiency of electronic components.
Collaborations
Yamagata has collaborated with talented individuals such as Rikiya Kato and Keisuke Saito. These partnerships have fostered innovation and have been instrumental in the development of her patented technologies.
Conclusion
Sakie Yamagata's contributions to soldering technology reflect her dedication to innovation and excellence. Her patents not only address existing challenges but also pave the way for future advancements in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile