This inventor holds 3 USPTO granted patents. Top assignees: Asahi Denka Kogyo Kabushiki Kaisha, Riken Vinyl Industry Co., Ltd. Active years: 1993-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 98 
2 out of 15 Years Active: 1993-1995
Title: The Innovative Contributions of Isamu Ichizuka
Introduction: Isamu Ichizuka is a prominent inventor based in Tokyo, Japan, known for his advancements in the field of sealant technologies. With a portfolio of three patents, Ichizuka has dedicated his career to developing innovative solutions that enhance water sealing materials used in various applications.
Latest Patents: Among Ichizuka's latest inventions is a novel compound water-sealing sealant. This innovative product consists of a non-water-swelling thermoplastic resin, preferably a vinyl chloride resin, and a water-swelling resin achieved by kneading these materials together. The formula includes 10 to 97% by weight of the non-water-swelling thermoplastic resin and 3 to 90% by weight of a water-swelling material, which is a water-swelling urethane resin containing terminal NCO groups between 1 to 12%. This patent is a testament to his ability to combine chemistry and materials science effectively.
Another significant invention by Ichizuka is a water-sealing sheet composed of a similar formulation, integrating a non-water-swelling thermoplastic resin with a water-swelling urethane resin. This sheet contains 80 to 200 parts by weight of a plasticizer relative to 100 parts of the thermoplastic resin, showcasing his dedication to improving adhesive technologies.
Career Highlights: Isamu Ichizuka's career has spanned key roles at reputable companies, including Asahi Denka Kogyo Co., Ltd. and Riken Vinyl Industry Co., Ltd. His experience in these organizations has allowed him to collaborate on various projects and push the boundaries of material innovation.
Collaborations: Throughout his inventive journey, Ichizuka has had the opportunity to work alongside talented individuals such as Shuitsu Takahashi and Kouzi Hara. These collaborations have played a crucial role in expanding the depth and breadth of his research, leading to important contributions in sealant technology.
Conclusion: Isamu Ichizuka exemplifies the spirit of innovation through his patented inventions and collaborative efforts. His advancements in compound water-sealing materials exemplify the intersection of technology and practical application, which is essential in today's manufacturing and construction industries.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile