This inventor holds 4 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Senju Metal Industry Co., Ltd., Senju Metal Industry Co., Ltd.. Active years: 2021-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (2021 - 2023)
- Koshigaya, JP (2023)
Company Filing History:
3 out of 338 
1 out of 14 Years Active: 2021-2026
Title: Kazuhiro Minegishi: Innovator in Soldering Technology
Introduction
Kazuhiro Minegishi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of soldering technology, particularly through his innovative patents. With a total of three patents to his name, Minegishi has focused on improving solder wettability and enhancing the performance of solder pastes.
Latest Patents
Minegishi's latest patents include advancements in flux and solder paste formulations. One of his notable inventions provides a flux that improves solder wettability. This flux contains 0.5-20.0 wt % of a (carboxyalkyl)isocyanurate adduct and 5.0-45.0 wt % of a rosin, along with a solvent. The (carboxyalkyl)isocyanurate adduct can be a mono, bis, or tris adduct, or a combination of these. Another patent features a flux that includes an organic acid, a water-soluble base agent, and a solvent, but notably does not contain water. The organic acid in this formulation is 1,2,3-propanetricarboxylic acid, while the water-soluble base agent consists of nonionic and weak cationic surfactants. This innovative flux enhances solder wettability and minimizes issues such as ball missing after reflow and flux residue washing.
Career Highlights
Kazuhiro Minegishi is associated with Senju Metal Industry Co., Ltd., where he continues to develop cutting-edge soldering solutions. His work has positioned him as a key figure in the industry, contributing to advancements that benefit various applications in electronics.
Collaborations
Minegishi has collaborated with notable colleagues, including Hiroyoshi Kawasaki and Masato Shiratori. Their combined expertise has fostered an environment of innovation and creativity within their projects.
Conclusion
Kazuhiro Minegishi's contributions to soldering technology through his patents reflect his dedication to enhancing the performance of solder materials. His work continues to influence the industry positively, showcasing the importance of innovation in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile