Company Filing History:
1 out of 310 
1 out of 56 Years Active: 1994-1995
Title: Innovations of Yoshihiro Eto in Calcium Fluoride Recovery
Introduction
Yoshihiro Eto is a notable inventor based in Kanagawa, Japan, recognized for his contributions to the field of chemical engineering. He holds 2 patents that focus on the recovery of calcium fluoride from fluoroetchants, showcasing his expertise in innovative solutions for industrial processes.
Latest Patents
Eto'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, which primarily consists of hydrogen fluoride and ammonium fluoride. This system incorporates various supply ports for adding necessary components, a stirrer for mixing, and an ejector for vapor removal, ensuring efficient recovery of calcium fluoride. The method patent emphasizes achieving high purity calcium fluoride with minimal unreacted calcium carbonate and silica, by controlling the reaction conditions of the etchant and calcium carbonate.
Career Highlights
Throughout his career, Yoshihiro Eto has worked with prominent companies such as Kurita Water Industries Ltd. and Hitachi Plant Engineering & Construction Co., Ltd. His experience in these organizations has contributed significantly to his innovative work in chemical processes.
Collaborations
Eto has collaborated with notable colleagues, including Hiroyuki Harada and Nobuhiro Miki, enhancing his research and development efforts in the field.
Conclusion
Yoshihiro Eto's innovative patents and career achievements reflect his significant contributions to the recovery of calcium fluoride, marking him as a key figure in chemical engineering. His work continues to influence advancements in industrial processes.