Location History:
- Nagano, JP (2005 - 2010)
- Matsumoto, JP (2013 - 2017)
- Chigasaki, JP (2018)
- Kanagawa, JP (2001 - 2021)
- Kawasaki, JP (1999 - 2023)
Company Filing History:
12 out of 4,811 
8 out of 80 
3 out of 25,550 
Years Active: 1999-2023
Title: Koji Kawaguchi: Pioneer in Concrete Modifications
Introduction
Koji Kawaguchi, based in Kanagawa, Japan, is a renowned inventor with a portfolio comprising 26 patents. His work primarily focuses on innovative techniques for modifying concrete structures, particularly in subsided ground conditions. His inventions have significantly contributed to advancements in civil engineering and construction technologies.
Latest Patents
Kawaguchi's recent patents encompass two significant innovations aimed at addressing issues related to concrete slabs on subsided ground. The first patent is a method for modifying a concrete slab by injecting an expandable resin beneath it. This method allows for multiple injections, providing precise control over the raising process, and can elevate the slab by as much as 30 mm. The second patent focuses on correcting the tilt of adjacent concrete slabs that have shifted due to subsidence at their joint parts. This method involves strategically drilling injection holes and simultaneously injecting resin to restore the slabs to their proper alignment, enhancing structural stability.
Career Highlights
Throughout his career, Koji Kawaguchi has worked with reputable companies, including Fuji Electric Co., Ltd. and Fuji Electric Holdings Co., Ltd. His contributions to these organizations have helped position them at the forefront of innovation in construction technologies.
Collaborations
Kawaguchi's journey in the field of innovation has been marked by collaborations with distinguished colleagues, including Kenya Sakurai and Makoto Kobayashi. Their joint efforts have facilitated the development of advanced methods and solutions for challenges faced in the civil engineering sector.
Conclusion
Koji Kawaguchi stands out as a prominent inventor whose work has revolutionized the approach to concrete modifications in compromised ground conditions. His innovative patents continue to influence the construction and civil engineering industries, paving the way for more durable and reliable infrastructure solutions.