Location History:
- Osaka, JP (1994)
- Ibaraki, JP (1994 - 1996)
- Toyonaka, JP (2011)
Company Filing History:
Years Active: 1994-2011
Title: **Innovations of Hiroshi Kajikuri in Thermoplastic Resins and Caprolactam Production**
Introduction
Hiroshi Kajikuri, based in Ibaraki, Japan, is a notable inventor with a remarkable portfolio of 8 patents. His work primarily focuses on the field of chemical compositions that enhance material performance. Kajikuri’s contributions to innovation drive advancements in thermoplastic resins and methods of producing high-purity caprolactam.
Latest Patents
Kajikuri's latest invention involves a **granular additive composition**, which aims to improve the thermal coloration resistance of thermoplastic resin. This innovation entails a low-dusting additive blend containing 5 to 70% by weight of fatty calcium and 5 to 50% by weight of a sulfur-based compound. The composition is designed to achieve distinct infrared absorption characteristics, ensuring greater performance in thermal applications.
Another significant patent outlines a **process for producing high purity caprolactam**. This method innovatively employs a liquid-liquid mixing process with hydrocarbons to extract and crystallize caprolactam from an aqueous solution. By introducing a hydrocarbon and employing a specific distillation technique, Kajikuri enhances the purity of caprolactam derived from crude sources, optimizing the overall production process.
Career Highlights
Hiroshi Kajikuri works for Sumitomo Chemical Company, Limited, a leading firm in the chemical industry renowned for its innovative research and product development. His contributions to the company reflect his commitment to advancing chemical engineering practices and ensuring high-quality standards in production.
Collaborations
Throughout his career, Kajikuri has collaborated with esteemed colleagues, including Yasuhiko Higashio and Masaru Kitamura. Their teamwork and shared expertise in the field have fostered an environment conducive to innovation and the successful development of new technologies.
Conclusion
Hiroshi Kajikuri exemplifies the spirit of innovation with his numerous patents and the impactful work he conducts within Sumitomo Chemical Company, Limited. His advancements in additive compositions and caprolactam production not only highlight his inventive prowess but also contribute significantly to the chemical engineering and materials science communities.