This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1989-1998.
Location History:
- Otake, JP (1989)
- Hiroshima, JP (1998)
Company Filing History:
Years Active: 1989-1998
Title: Fumio Takemoto: Innovator in Acrylic Fiber Technology
Introduction
Fumio Takemoto is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of acrylic fiber technology, holding a total of 2 patents. His work focuses on enhancing the properties of fibers used in various textile applications.
Latest Patents
Takemoto's latest patents include innovations in flat filaments and acrylic fibers. The first patent describes flat filaments provided with ribs and raw fibers for pile fabrics. These filaments exhibit a flatness ratio of 7 to 25 and a fineness ranging from 0.5 to 40 denier. The design includes one or more ribs on each longer side, enhancing the filaments' nontackiness and bulkiness. This innovation allows for easy elimination of crimps and provides a soft yet resilient feeling in pile products.
The second patent focuses on acrylic fibers with a Y-type cross section. These fibers consist of an acrylic polymer with at least 50% by weight of acrylonitrile. The Y-type cross section is constructed of three rectangles, with specific thickness ratios that ensure excellent bulkiness and softness. The production process involves discharging a concentrated organic solvent solution through spinneret holes into a coagulating liquid, resulting in high-quality acrylic fibers.
Career Highlights
Fumio Takemoto is associated with Mitsubishi Rayon Company, Limited, where he has applied his expertise in fiber technology. His innovative approaches have contributed to advancements in the textile industry, particularly in the development of high-performance fibers.
Collaborations
Throughout his career, Takemoto has collaborated with notable coworkers, including Tuneo Kunishige and Mitsutoshi Ochi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Fumio Takemoto's contributions to acrylic fiber technology demonstrate his commitment to innovation in the textile industry. His patents reflect a deep understanding of material properties and their applications, making him a significant figure in his field.