Company Filing History:
3 out of 230 
1 out of 832,812 Years Active: 2001-2022
Title: Kenji Haraguchi: Innovator in Styrene and Polylactic Acid Resins
Introduction
Kenji Haraguchi is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced resins. With a total of 4 patents to his name, Haraguchi's work has had a considerable impact on the industry.
Latest Patents
One of Haraguchi's latest patents focuses on a styrene resin and the method for producing it. This invention relates to a styrene-based resin characterized by a weight average molecular weight of 1,000,000 or more and 5,000,000 or less. It also features a degree of long-chain branching of 0.2 or more per 1,000 styrene units, and a tetrahydrofuran-insoluble matter of 0.1% by weight or less. The method for producing this resin involves an impregnation step where a polymerization initiator and a styrene monomer are added in an aqueous medium. Another significant patent involves expandable polylactic acid resin particles, which include a base resin containing a polylactic acid resin with at least 50 mol % of lactic acid monomer component units. These expandable resin particles can produce expanded beads suitable for in-mold foam moldings.
Career Highlights
Throughout his career, Kenji Haraguchi has worked with various companies, including JSP Corporation. His innovative approaches to resin technology have positioned him as a key figure in the industry.
Collaborations
Haraguchi has collaborated with notable individuals such as Hajime Ohta and Taketoshi Kajihara. These partnerships have further enhanced his contributions to the field of materials science.
Conclusion
Kenji Haraguchi's work in the development of styrene and polylactic acid resins showcases his innovative spirit and dedication to advancing material technologies. His patents reflect a commitment to creating high-quality, efficient products that benefit various industries.