Location History:
- Yokohama, JP (1986)
- Hatano, JP (1986)
- Takaishi, JP (1993)
- Hadano, JP (1998)
- Kanagawa-ken, JP (1998)
- Kanagawa, JP (1999)
Company Filing History:
4 out of 1,379 
2 out of 1,786 
2 out of 170 
Years Active: 1986-1999
Title: Kouzo Ichikawa: Innovator in Thermoplastic Resin Technology
Introduction
Kouzo Ichikawa is a notable inventor based in Takaishi, Japan. He has made significant contributions to the field of thermoplastic resin technology, holding a total of 6 patents. His innovative approaches have paved the way for advancements in the production of thermoplastic products.
Latest Patents
Ichikawa's latest patents include a process for the production of an injection-expansion molded thermoplastic resin product. This process involves several steps, including a gas dissolving step, a cooling step, a metering and injection step, and an expansion controlling step. Specifically, a thermoplastic resin is melted in a continuous plasticator, where supercritical carbon dioxide and/or nitrogen is added as a blowing agent. The resultant molten resin composition is cooled while maintaining a pressure equal to or higher than the critical pressure of the blowing agent. This innovative method allows for precise control over the cell diameter of the final product.
Another significant patent by Ichikawa details a process for preparing an expanded product of thermoplastic resin. This process also utilizes supercritical carbon dioxide and/or nitrogen as a blowing agent, and involves cooling the molten resin composition under specific pressure conditions to control the expansion and cell structure of the final product.
Career Highlights
Throughout his career, Kouzo Ichikawa has worked with prominent companies such as Mitsui Toatsu Chemicals, Incorporated and Mitsui Chemicals, Inc. His experience in these organizations has contributed to his expertise in thermoplastic resin technology and innovation.
Collaborations
Ichikawa has collaborated with notable professionals in his field, including Hideo Amemiya and Tetsuyuki Matsubara. These collaborations have further enhanced his work and contributions to the industry.
Conclusion
Kouzo Ichikawa's innovative work in thermoplastic resin technology has led to significant advancements in the field. His patents reflect a deep understanding of material science and engineering, making him a key figure in the development of modern thermoplastic products.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.