This inventor holds 3 USPTO granted patents. Top assignees: Kajima Corporation, Chemical Grout Company, Ltd.. Active years: 1977-1987.
Location History:
- Tokyo, JA (1977 - 1978)
- Tokyo, JP (1987)
Company Filing History:
3 out of 152 
2 out of 2 Years Active: 1977-1987
Title: Teruo Yahiro: Innovator in Earth-Crushing Technologies
Introduction
Teruo Yahiro is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of earth-crushing technologies, holding a total of 3 patents. His innovative methods and apparatuses have advanced the techniques used in construction and geological engineering.
Latest Patents
Yahiro's latest patents include a "Method of and apparatus for crushing earth under the ground." This invention involves boring a hole and inserting a drill head equipped with radially directed water jets. The drill head is rotated upward while jetting water to create a cylindrical crushed area. The process continues with the lowering of the drill head and the extension of a water jet extender arm to further enlarge the crushed area.
Another significant patent is the "Process for the high-pressure grouting within the earth and apparatus." This invention utilizes a high-speed core water jet for lateral cutting of earth, combined with a cement milk for solidifying the crushed earth. The innovative approach enhances the efficiency of grouting processes in construction.
Career Highlights
Throughout his career, Teruo Yahiro has worked with prominent companies such as Kajima Corporation and Chemical Grout Company, Ltd. His experience in these organizations has allowed him to refine his inventions and contribute to various projects in the construction industry.
Collaborations
Yahiro has collaborated with notable coworkers, including Hiroshi Yoshida and Taro Ikeda. Their combined expertise has fostered innovation and development in the field of earth-crushing technologies.
Conclusion
Teruo Yahiro's contributions to earth-crushing technologies through his patents and collaborations have made a lasting impact on the construction industry. His innovative methods continue to influence practices in geological engineering and construction.