Company Filing History:
3 out of 41 
3 out of 3 
3 out of 5 
Years Active: 1980-1999
Title: Innovations of Yoshimasa Hayashi
Introduction
Yoshimasa Hayashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of waterproofing technologies, holding a total of 5 patents. His work focuses on developing advanced materials that enhance the durability and effectiveness of waterproofing solutions.
Latest Patents
One of Hayashi's latest patents is a rubber modified asphalt type of waterproofing composition. The objective of this invention is to provide a waterproofing composition that can be utilized in a normal temperature type of spray waterproofing method. This composition is applicable in various areas such as waterproofing, moisture-proofing, rustproofing, and filling buildings and structures for engineering works. The waterproofing composition coagulates instantaneously to form a stable yet firm waterproofing layer. It comprises a cationic rubber modified asphalt emulsion and an organic coagulating agent.
Career Highlights
Throughout his career, Yoshimasa Hayashi has worked with prominent companies such as Obayashi Corporation and Toho Natural Gas Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the construction and materials industry.
Collaborations
Hayashi has collaborated with notable coworkers, including Tsuyoshi Aoyama and Tadashi Nouchi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yoshimasa Hayashi's contributions to waterproofing technologies exemplify the impact of innovation in engineering. His patents reflect a commitment to enhancing the effectiveness of construction materials, ensuring durability and reliability in various applications.