Location History:
- Itami, JP (1993 - 1996)
- Hyogo, JP (1995 - 2000)
- Tokyo, JP (1999 - 2003)
Company Filing History:
18 out of 21,351 
2 out of 19 
2 out of 52 Years Active: 1993-2003
Title: Cozy Ban - Innovator in High-Temperature Ultrapure Water Production
Introduction
Cozy Ban is a prominent inventor based in Tokyo, Japan. He holds a total of 18 patents that showcase his contributions to the field of ultrapure water production and semiconductor substrate treatment. His innovative work has significantly impacted various industries, particularly in the areas of electronics and pharmaceuticals.
Latest Patents
Cozy Ban's latest patents include a high-temperature ultrapure water production apparatus and a liquid medicine preparation apparatus equipped with the production apparatus. The high-temperature ultrapure water production apparatus features an evaporator that treats pretreated water or primary pure water to prepare ultrapure water at high temperatures. It also includes an ion exchanger for removing trace metal ions and a product water heat exchanger made of titanium for heat exchange. Additionally, the cooling heat exchanger made of SUS cools the ultrapure water to not higher than 40°C for use as feed water for the ion exchanger. Another notable patent is a method for treating semiconductor substrates, which involves an ozone generating means, an ejector for dissolving ozone in a chemical solution, and an ultraviolet light irradiating means to control ozone concentration. This system provides high yields in wet-cleaning and etching of semiconductor substrates without roughening their surfaces.
Career Highlights
Cozy Ban has worked with notable companies such as Mitsubishi Electric Corporation and Japan Organo Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies. His work has been instrumental in advancing the capabilities of ultrapure water production and semiconductor processing.
Collaborations
Cozy Ban has collaborated with several professionals in his field, including Takaaki Fukumoto and Toko Konishi. These collaborations have fostered a creative environment that has led to significant advancements in their respective areas of expertise.
Conclusion
Cozy Ban is a distinguished inventor whose work in ultrapure water production and semiconductor substrate treatment has made a lasting impact on technology and industry. His innovative patents and collaborations continue to influence advancements in these critical fields.