Location History:
- Yokkaichi Mie, JP (2021 - 2022)
- Mie, JP (2020 - 2023)
- Yokkaichi, JP (2020 - 2023)
Company Filing History:
Years Active: 2020-2025
Title: A Spotlight on Inventor Hakuba Kitagawa
Introduction
Hakuba Kitagawa, based in Yokkaichi Mie, Japan, is a distinguished inventor with a prolific record of eight patents to his name. His innovative contributions are particularly focused on advances in chemical solutions and semiconductor manufacturing methods.
Latest Patents
Among his latest patents, Hakuba has developed a chemical solution, an etching method, and a method for manufacturing semiconductor devices. One embodiment of his chemical solution involves a mixed acid comprising an inorganic acid, an oxidizing agent, a carboxylic acid, and water, along with polyethyleneimine at a concentration ranging from 0.05 wt % to 10 wt %. His substrate treatment apparatus features a hair member made from a noble metal and a liquid chemical supply member that applies a liquid chemical. In this method, the tip of the hair member makes contact with a predetermined surface of a metal, while the liquid chemical is supplied to the metal's surface, effectively allowing for precise etching and metal removal.
Career Highlights
Hakuba Kitagawa has made significant contributions to the field during his tenure at companies such as Toshiba Memory Corporation and Kioxia Corporation. His work has continually advanced the technological landscape, especially in semiconductor applications.
Collaborations
Throughout his career, Hakuba has collaborated with notable peers in the field, including Yasuhito Yoshimizu and Fuyuma Ito. These partnerships have further enriched his research and innovation efforts.
Conclusion
Hakuba Kitagawa exemplifies the spirit of innovation with a commitment to improving processes in semiconductor technology. His patents not only reflect his expertise but also contribute significantly to the evolving landscape of manufacturing in the electronics industry.