Company Filing History:
1 out of 68 
1 out of 3 Years Active: 2005
Title: Yoshiya Kitagawa – Innovator in Developer Liquid Regeneration
Introduction
Yoshiya Kitagawa, based in Yokohama, Japan, is an accomplished inventor recognized for his contributions to waste liquid regeneration technology. His innovative approach in this field has led to the development of a unique apparatus that enhances efficiency in managing developer waste liquid.
Latest Patents
Kitagawa holds a patent for a "Developer Waste Liquid Regenerating Apparatus and Method." This system includes a storage tank for TMAH (tetramethyl ammonium hydroxide) and photoresist-containing developer waste liquid. It features a first separating means using a nanofiltration membrane, connected to the waste liquid storage tank. This apparatus is designed to regenerate developer liquid by efficiently separating and refining waste materials, facilitating connection to a developing apparatus and a control/supply apparatus for developer liquid.
Career Highlights
Yoshiya Kitagawa has held key positions in notable companies, including Nagase & Company, Ltd. and Nagase Cms Technology Co., Ltd. His work in these organizations has significantly contributed to advancements in chemical engineering and waste management technologies.
Collaborations
Throughout his career, Kitagawa has collaborated with esteemed coworkers, including Shu Ogawa and Yasuyuki Kobayakawa. These partnerships have furthered innovation and development within their respective projects, showcasing the importance of teamwork in the field of invention.
Conclusion
Yoshiya Kitagawa stands out as a pioneer in the regeneration of developer waste liquid, with his innovative patent reflecting a commitment to sustainability in the technological sector. His contributions not only highlight individual ingenuity but also emphasize the collaborative effort within the industry to address significant environmental challenges.