Company Filing History:
Years Active: 1998-1999
Title: Sei Ishizawa: Innovator in Melt-Adhesive Composite Fibers
Introduction
Sei Ishizawa is a notable inventor based in Moriyama, Japan. He has made significant contributions to the field of materials science, particularly in the development of melt-adhesive composite fibers. His innovative work has led to the filing of multiple patents, showcasing his expertise and dedication to advancing technology.
Latest Patents
Ishizawa holds 2 patents related to melt-adhesive composite fibers. His latest patents include a process for producing these fibers, which are designed for use in non-woven fabrics and surface materials for medical supplies such as sanitary napkins and paper diapers. The composite fibers consist of polypropylene as the first component and a polymer mainly composed of polyethylene as the second component. These fibers exhibit three-dimensional crimps of 4 to 16 per inch, a filamentary denier of 1.0 to 2.0, and an apparent cut length of 20 to 40 mm. The production process involves extruding the materials through a spinneret, stretching the filaments, and subjecting them to crimping and annealing treatments.
Career Highlights
Sei Ishizawa is associated with Chisso Corporation, where he has been instrumental in developing innovative materials. His work has not only advanced the field of composite fibers but has also contributed to the production of essential medical supplies. His patents reflect a deep understanding of material properties and processing techniques.
Collaborations
Ishizawa has collaborated with notable colleagues, including Masayasu Suzuki and Hirokazu Terada. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Sei Ishizawa's contributions to the field of melt-adhesive composite fibers demonstrate his commitment to innovation and excellence. His patents and collaborations highlight the importance of teamwork in advancing technology.