This inventor holds 2 USPTO granted patents. Top assignees: Fujisawa Pharmaceutical Company, Ltd., Mitsubishi Cement Asbestos Company Ltd., Mitsubishi Mining & Co., Ltd.. Active years: 1983-1988.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (1983)
- Yokoze, JP (1988)
Company Filing History:

Years Active: 1983-1988
Title: Toshiaki Kakinuma: Innovator in Demolition and Construction Materials
Introduction
Toshiaki Kakinuma is a notable inventor based in Saitama, Japan. He has made significant contributions to the fields of demolition agents and construction materials. With a total of 2 patents, Kakinuma's work showcases innovative solutions for both brittle material demolition and waterproof construction.
Latest Patents
Kakinuma's latest patents include a demolition agent for brittle materials and a method for sheet forming a gypsum hardened body. The demolition agent is a powder mixture that comprises 100 parts by weight of quicklime, 0.05 to 5 parts by weight of a carbonate, and either or both 0.01 to 5 parts by weight of a hydroxy-carboxylic acid or its salt, along with 0.1 to 5 parts by weight of a fluidization agent. This agent is mixed with water to create an aqueous slurry, which is then poured into a drilled hole in brittle materials to demolish them through expansive pressure. The method for sheet forming a gypsum hardened body involves a main component of gypsum dihydrate, slag, and calcium hydroxide, with additives coated in a hydrophobic diorganopolysiloxane fluid. This innovative method results in a remarkably waterproof gypsum hardened body suitable for both interior and outdoor construction.
Career Highlights
Throughout his career, Kakinuma has worked with prominent companies such as Mitsubishi Mining and Cement Co. Ltd. and Mitsubishi Cement Asbestos Company Ltd. His experience in these organizations has contributed to his expertise in developing innovative materials and methods.
Collaborations
Kakinuma has collaborated with notable coworkers, including Yoshio Makino and Yoshihiko Murata. Their combined efforts have further advanced the field of construction materials and demolition techniques.
Conclusion
Toshiaki Kakinuma's contributions to the fields of demolition and construction materials highlight his innovative spirit and dedication to improving industry practices. His patents reflect a commitment to creating effective solutions for modern challenges in construction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile