Nobuyuki Tokunaga

Title: Nobuyuki Tokunaga: Innovator in Hydrogen Fluoride Measurement and Fluorine Gas Generation

Introduction

Nobuyuki Tokunaga is a prominent inventor based in Ube, Japan. He has made significant contributions to the field of chemical engineering, particularly in the measurement of water content in hydrogen fluoride-containing compounds. With a total of 6 patents to his name, Tokunaga's work has advanced the understanding and technology surrounding fluorine gas generation.

Latest Patents

One of Tokunaga's latest patents is a method and device for measuring water content in hydrogen fluoride-containing fluoride salt compounds. This invention provides a water content measurement method for a hydrogen fluoride-containing compound represented by the general formula: XF.nHF, where X can be K, NH, Na, or Li, and n is a rational number greater than 0. The method involves causing thermal decomposition of the compound to generate a thermal decomposition gas, allowing for accurate quantification of the water content in the hydrogen fluoride-containing compound.

Another notable patent is related to a fluorine gas generating apparatus. This invention includes an emergency stop facility with an alternative gas supply capable of supplying a cooling medium in a refining device. The design ensures that, during an emergency stop, the alternative entrained gas shut-off valve opens upon receiving the supply of instrumentation gas, allowing for the continued operation of the hydrogen fluoride supply passage.

Career Highlights

Nobuyuki Tokunaga is currently employed at Central Glass Company, Limited, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing safety and efficiency in chemical processes involving hydrogen fluoride and fluorine gas.

Collaborations

Tokunaga has collaborated with notable coworkers, including Akifumi Yao and Akiou Kikuchi. Their combined expertise has contributed to the successful development of various patents and innovations in their field.

Conclusion

Nobuyuki Tokunaga's contributions to the field of chemical engineering, particularly in the measurement of water content in hydrogen fluoride compounds and the generation of fluorine gas, highlight his role as a significant inventor. His ongoing work at Central Glass Company, Limited, along with his collaborations, continues to push the boundaries of innovation in this critical area of research.