This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Eeja Ltd.. Active years: 2024.
Company Filing History:
Years Active: 2024
Title: Junko Tsuyuki: Innovator in Gold Electroplating Solutions
Introduction
Junko Tsuyuki is a notable inventor based in Hiratsuka, Japan. She has made significant contributions to the field of electroplating, particularly with her innovative cyanide-free gold electroplating solution. Her work is recognized for its environmental considerations and technical advancements.
Latest Patents
Junko Tsuyuki holds 1 patent for her invention of a gold electroplating solution. This solution is designed to form gold deposits without the use of cyanide, which is often harmful to the environment. The formulation includes 15 g/L of gold (I) sodium sulfite, 15 g/L of sodium sulfate, 50 g/L of sodium sulfite, 10 mg/L of thallium formate, 50 mg/L of bismuth nitrate, and 1 g/L of sodium phosphate. The unique aspect of her solution is its ability to create a compact-packed via-filling deposit with a U-shaped stacked structure in cross-section inside drilled holes.
Career Highlights
Junko Tsuyuki is currently employed at Eeja Ltd., where she continues to develop innovative solutions in the field of electroplating. Her expertise and dedication to her work have positioned her as a key figure in her industry.
Collaborations
Throughout her career, Junko has collaborated with talented individuals such as Koichiro Inoue and Shinji Maeda. These partnerships have contributed to her success and the advancement of her projects.
Conclusion
Junko Tsuyuki's contributions to gold electroplating solutions highlight her innovative spirit and commitment to environmentally friendly practices. Her work continues to influence the industry and inspire future advancements.