Location History:
- Otsu, JA (1976)
- Kusatsu, JA (1978)
- Otsu, JP (1983)
- Shiga, JP (1993)
- Kusatsu, JP (1978 - 2001)
Company Filing History:
18 out of 3,477 
2 out of 105 
Years Active: 1976-2001
Title: Katsumi Hasegawa: Innovator in Yarn Production Technology
Introduction
Katsumi Hasegawa is a prolific inventor located in Kusatsu, Japan, known for his significant contributions to yarn production technology. With an impressive portfolio comprising 20 patents, Hasegawa has dedicated his career to improving the efficiency of textile manufacturing processes.
Latest Patents
Among his latest innovations is an "Apparatus for producing yarns with yarn cutting and sucking units." This apparatus consists of a first yarn feeding roller, a second yarn feed roller, and winders designed to wind the respective yarns. Equipped with yarn breakage detectors, the system can detect when a yarn breaks and utilizes cutting and sucking devices to enhance production efficiency. These devices operate in response to a yarn breakage detection signal, cutting the group of yarns being wound to which the broken yarn belongs. This innovative design allows for at least two winding units to share one of the yarn feed rollers, ultimately increasing the yield of yarns.
Another significant patent from Hasegawa is a "Yarn-winding method and a yarn winder therefor," which further solidifies his reputation as a leader in this niche technological domain.
Career Highlights
Katsumi Hasegawa has had notable tenures at distinguished companies such as Toray Industries, Inc. and Toray Engineering Company, Limited. His work with these organizations has pushed the boundaries of textile technology and contributed greatly to advancements in manufacturing efficiency.
Collaborations
Throughout his career, Hasegawa has collaborated with talented professionals, including Michio Ohno and Takahiro Kawabata. These partnerships have facilitated the development of groundbreaking inventions, further influencing the industry.
Conclusion
Katsumi Hasegawa's innovative work in yarn production continues to impact the textile industry significantly. His numerous patents highlight his commitment to enhancing manufacturing efficiency and addressing challenges within the field. As an established inventor, Hasegawa’s contributions will likely inspire future developments in textile technologies.