Company Filing History:
2 out of 150 
1 out of 14 
Years Active: 2009-2013
Title: Masaru Toida: Innovator in Spray Application and Groundwater Monitoring Systems
Introduction
Masaru Toida is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of spray application and groundwater monitoring systems. With a total of two patents to his name, Toida's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
Toida's latest patents include a "Method of spray application, and spray apparatus, for bentonite material." This invention provides a spray method and apparatus that allows for the formation of a bentonite layer with high dry density. The apparatus features a supersonic nozzle connected to a compressor and a bentonite container. Compressed air from the compressor mixes with the bentonite-based material and is accelerated to supersonic speed, allowing for efficient spraying.
Another significant patent is for "Systems and methods for installation, design, and operation of groundwater monitoring systems in boreholes." This invention utilizes a coaxial gas displacement pump with a unique O-ring assembly that functions as a two-position valve for groundwater purging and sampling. The optical pressure sensor measures in-situ hydraulic pressure directly adjacent to surrounding rock fractures and sediment pores, providing accurate data without hydraulic interferences.
Career Highlights
Throughout his career, Toida has worked with prominent companies such as Kajima Corporation and Besst, Inc. His experience in these organizations has contributed to his expertise in engineering and innovation.
Collaborations
Toida has collaborated with notable individuals in his field, including Noah R. Heller and Hiroyoki Atsumi. These collaborations have likely enriched his work and expanded the impact of his inventions.
Conclusion
Masaru Toida's contributions to spray application and groundwater monitoring systems highlight his innovative spirit and dedication to engineering. His patents reflect a commitment to advancing technology in these critical areas.