Company Filing History:
1 out of 25,560 
1 out of 2,351 Years Active: 2009
Title: Masaru Miyoshi: Innovator in Etching Liquid Technology
Introduction
Masaru Miyoshi is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of semiconductor and liquid crystal device manufacturing through his innovative work on etching liquids.
Latest Patents
Miyoshi holds a patent for an etching liquid that contains iodine, an iodine compound, and alcohol as solute, along with solvents such as water. This etching liquid is designed to etch a gold or gold alloy layer formed on the surface of a substrate for semiconductor devices or liquid crystal devices evenly. The invention allows for the formation of a plurality of gold or gold alloy columns on the layer, which are etched scarcely by the etching liquid. The liquid effectively etches the gold or gold alloy layer existing between the columns evenly. Additionally, the etching liquid may contain a surfactant to enhance its performance. He has 1 patent to his name.
Career Highlights
Throughout his career, Masaru Miyoshi has worked with prominent companies, including Sharp Corporation and Mitsubishi Chemical Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in technology.
Collaborations
Miyoshi has collaborated with notable coworkers such as Yoshihide Suzuki and Keiichi Sawai, further enhancing his innovative capabilities and expanding his professional network.
Conclusion
Masaru Miyoshi's contributions to etching liquid technology have made a significant impact in the semiconductor and liquid crystal device industries. His innovative approach continues to influence advancements in these fields.