This inventor holds 3 USPTO granted patents. Top assignees: Nichireki Co., Ltd., Obayashi Corporation, Toho Natural Gas Company, Limited. Active years: 1997-1999.
Company Filing History:
3 out of 5 
3 out of 42 
3 out of 3 Years Active: 1997-1999
Title: Hitofusa Mitani: Innovator in Waterproofing Technologies
Introduction
Hitofusa Mitani is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of waterproofing technologies, holding a total of 3 patents. His work focuses on developing innovative materials that enhance the durability and effectiveness of waterproofing solutions.
Latest Patents
One of Hitofusa Mitani'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, Hitofusa Mitani has worked with prominent companies, including Obayashi Corporation and Toho Natural Gas Company, Limited. His experience in these organizations has allowed him to refine his expertise in waterproofing technologies and contribute to various engineering projects.
Collaborations
Hitofusa Mitani has collaborated with several professionals in his field, including Haruka Ogawa and Akira Ito. These collaborations have further enriched his work and led to advancements in waterproofing solutions.
Conclusion
Hitofusa Mitani is a distinguished inventor whose innovations in waterproofing technologies have made a significant impact in the industry. His patents reflect his commitment to enhancing the effectiveness of waterproofing materials, ensuring durability and reliability in various applications.