Company Filing History:
2 out of 161 
1 out of 2 
1 out of 2 Years Active: 1988-1992
Title: Mitsuji Ishida: Innovator in Soil Engineering
Introduction
Mitsuji Ishida is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of soil engineering, particularly through his innovative methods and apparatuses aimed at improving soil characteristics. With a total of 2 patents to his name, Ishida's work has garnered attention for its practical applications in enhancing water retention in soil.
Latest Patents
Ishida's latest patents include a "Method of Improving Ground and Apparatus Used Therefor" and a "Grout Impregnation Method." The first patent focuses on enhancing the water retention characteristics of soil by utilizing a water absorption polymer. This method involves forming a water impermeable layer in a subsurface layer of the ground and placing a water absorption polymer layer above it. The apparatus designed for this method includes a drilling function to mix the polymer into the soil effectively.
The second patent, the "Grout Impregnation Method," presents an improved technique for injecting grout into the earth. This method employs an injection tube that allows for the separate supply and mixing of different materials. It features a first pressure-holding valve and a mixing section that ensures the materials are combined under controlled pressure before being impregnated into the ground.
Career Highlights
Throughout his career, Mitsuji Ishida has worked with prominent companies such as Nitto Chemical Industry Co., Ltd. and Nihon Soil Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in soil engineering and innovation.
Collaborations
Ishida has collaborated with several professionals in his field, including Tomohiro Sakurada and Katsuhiko Kurihara. These collaborations have likely enriched his work and led to further advancements in soil engineering techniques.
Conclusion
Mitsuji Ishida's contributions to soil engineering through his innovative patents demonstrate his commitment to improving environmental conditions. His work continues to influence the field and offers practical solutions for enhancing soil characteristics.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.