Company Filing History:
1 out of 310 
1 out of 56 Years Active: 1994-1995
Title: Norio Terasawa: Innovator in Fluoride Recovery Technologies
Introduction
Norio Terasawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of chemical engineering, particularly in the recovery of calcium fluoride from fluoroetchants. With a total of 2 patents, his work has implications for both environmental sustainability and industrial efficiency.
Latest Patents
Terasawa's latest patents include an "Apparatus for recovering calcium fluoride from fluoroetchant" and a "Method for recovering calcium fluoride from fluoroetchant." The apparatus utilizes a sealed reaction tank designed to recover fluorine as calcium fluoride from a fluoroetchant solution. This innovative system features multiple supply ports for adding necessary components, a stirrer for mixing, and an ejector for vapor removal. The method focuses on achieving high purity calcium fluoride by controlling the reaction conditions between the etchant and calcium carbonate.
Career Highlights
Throughout his career, Norio Terasawa has worked with prominent companies such as Kurita Water Industries Ltd. and Hitachi Plant Engineering & Construction Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Terasawa has collaborated with notable colleagues, including Hiroyuki Harada and Nobuhiro Miki. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
Norio Terasawa's work in the field of fluoride recovery showcases his innovative spirit and dedication to improving industrial processes. His patents reflect a commitment to both efficiency and environmental responsibility.