Company Filing History:
1 out of 1,432 
1 out of 832,843 Years Active: 2001-2011
Title: Innovator in Elastomer Technology: Tetsuji Nakajima
Introduction: Tetsuji Nakajima, an accomplished inventor based in Ichihara, Japan, has made significant contributions to the field of elastomer technology. With a focus on improving rubber compositions through innovative processes, Nakajima holds two vital patents that enhance the production and application of polybutadiene rubber.
Latest Patents: Nakajima’s latest patents reflect his expertise in polybutadiene rubber production. The first patent, titled "Process for producing polybutadiene rubber and rubber composition," details a complex method of polymerization that utilizes specific catalysts and conditions to produce vinyl-cis-polybutadiene rubber. This method involves the use of an organoaluminum compound, a soluble cobalt compound, and a carefully controlled hydrocarbon-based organic solvent, highlighting Nakajima's advanced understanding of chemical processes.
The second patent, "Modified diene elastomer and its preparation," describes a process for creating a modified diene elastomer. This elastomer is polymerized in the presence of a cobalt compound and an organic aluminum compound, resulting in a versatile material that is particularly effective when combined with silica as a filler, specifically for tire tread manufacturing.
Career Highlights: Throughout his career, Tetsuji Nakajima has worked with notable companies, including Ube Industries, Inc. His work has significantly impacted the industry, promoting the development of high-performance rubber materials that meet modern automotive needs.
Collaborations: Nakajima has collaborated with esteemed colleagues such as Tokuji Inoue and Kiyoshige Muraoka, contributing to a fruitful exchange of ideas and expertise in the field of polymer science and elastomer technology.
Conclusion: Tetsuji Nakajima’s innovations in polybutadiene rubber production demonstrate his commitment to advancing material technology. His patents not only provide new methodologies but also show the potential for enhanced applications in various industries, particularly in tire manufacturing. As his work continues to influence the field, Nakajima stands out as a key figure in elastomer innovation.