This inventor holds 19 USPTO granted patents, primarily in Membrane Technology. Top assignees: Kuraray Co., Ltd., Minaminihon Rakuno Kyodo Kabushiki Kaisha, Kawasumi Laboratories. Inc.. Active years: 1978-1991.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kurashiki, JA (1978)
- Kurashiki, JP (1979 - 1991)
Company Filing History:

Years Active: 1978-1991
Areas of Expertise:
Title: Syuji Kawai – A Pioneer in Polymer Engineering
Introduction
Syuji Kawai is an esteemed inventor based in Kurashiki, Japan, known for his significant contributions to polymer science and engineering. With a remarkable portfolio comprising 19 patents, Kawai has made notable advancements in the field of laminates and separation membranes. His innovative approaches have impacted various industries, particularly in materials science.
Latest Patents
Among his notable patents, Kawai has developed a unique process for vacuum-air pressure drawing of laminates. This invention involves a hot drawn multilayered structure that includes a layer of ethylene-vinyl alcohol copolymer. This copolymer composition contains 70 to 95 wt % of EVOH, characterized by an ethylene content of 25 to 60 mol % and a saponification degree of at least 90%. Additionally, another of Kawai's recent patents focuses on composite hollow fiber type separation membranes. This innovative membrane consists of three layers: a selective separation layer, an ultra-microporous layer, and a porous layer, all meticulously arranged to enhance separation efficiency.
Career Highlights
Kawai's professional journey includes pivotal roles at reputable companies such as Kuraray Co., Ltd. and Minaminihon Rakuno Kyodo Co., Ltd. His experience in these organizations has shaped his expertise in developing advanced polymer technologies. Throughout his career, Kawai has demonstrated a commitment to innovation, which is reflected in his numerous patented technologies.
Collaborations
Throughout his career, Kawai has collaborated with notable colleagues, including Shuzo Ohyabu and Hirokuni Tanii. These collaborations have fostered an environment of innovation, leading to the successful development of revolutionary polymer products and technologies.
Conclusion
In conclusion, Syuji Kawai's contributions to the field of polymer engineering and his impressive record of 19 patents highlight his status as a leading inventor in the industry. His innovative work in laminates and separation membranes continues to drive advancements in technology, showcasing the importance of dedicated research and collaboration in fostering innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile