Location History:
- Saitama-ken, JP (2019)
- Saitama, JP (2022 - 2023)
- Tokyo, JP (2020 - 2024)
Company Filing History:
9 out of 336 
1 out of 19,748 
Years Active: 2019-2024
Title: Yoko Kurasawa: Innovator in Soldering Technology
Introduction
Yoko Kurasawa is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of soldering technology, holding a total of 9 patents. Her innovative work focuses on developing advanced flux materials for resin-cored soldering applications.
Latest Patents
Kurasawa's latest patents include a novel flux for resin flux cored solder and a soldering method that utilizes this flux. The first patent provides a flux designed for resin flux cored solder, which is supplied into a through hole formed along the central axis of a soldering iron. This flux contains volatile rosin in an amount of 70 wt % or more and 98 wt % or less, non-volatile rosin in an amount of 0 wt % or more and 10% or less, and an activator in an amount of 2 wt % or more and 30 wt % or less. The activator includes an organic acid, an organohalogen compound, an amine, and an amine hydrohalide salt, each within specified weight percentages. Her second patent also focuses on a flux for resin-cored solder, which includes a rosin ester, a covalent halogen compound, and rosin amine or N,N-diethyloctylamine, all contributing to the effectiveness of the soldering process.
Career Highlights
Throughout her career, Kurasawa has worked with notable companies such as Senju Metal Industry Co., Ltd. and Denso Corporation. Her experience in these organizations has allowed her to refine her expertise in soldering technology and contribute to various innovative projects.
Collaborations
Kurasawa has collaborated with esteemed colleagues, including Motohiro Onitsuka and Hiroyoshi Kawasaki. These partnerships have further enhanced her research and development efforts in the field of soldering.
Conclusion
Yoko Kurasawa's contributions to soldering technology through her patents and collaborations highlight her role as a leading inventor in this specialized field. Her innovative approaches continue to influence the industry and pave the way for future advancements.