Location History:
- Haguri, JP (1989)
- Aichi, JP (1990 - 2000)
Company Filing History:
Years Active: 1989-2000
Title: Nobusuke Nagasaka: Innovator in Sewing Technology
Introduction
Nobusuke Nagasaka is a prominent inventor based in Aichi, Japan. He has made significant contributions to the field of sewing technology, holding a total of 5 patents. His innovative designs have enhanced the functionality and efficiency of sewing machines, making them more versatile for various applications.
Latest Patents
Nagasaka's latest patents include the Over-lock Sewing Machine and the Lock Stitch Machine. The Over-lock Sewing Machine executes an over-edge chain stitch and a double-chain stitch. It features a sewing machine motor that drives a needle bar, allowing for upward and downward movement. The machine includes a sewing needle, an upper looper, and a lower looper that work together to form stitches. Additionally, it is equipped with a stepping motor that drives the lower looper, enabling it to rock and create precise stitches.
The Lock Stitch Machine is designed to be selectively set for either an overcasting mode or a hemming mode. It features a needle plate tongue that can be shifted between an operative and an inoperative position. This shifting occurs along a path resembling a circular arc, allowing for greater flexibility in stitching mode changes. The design facilitates the operation of changing modes without interfering with the looper's position.
Career Highlights
Nagasaka is associated with Brother Kogyo Kabushiki-kaisha, a leading company in the sewing machine industry. His work has significantly impacted the development of advanced sewing technologies, contributing to the company's reputation for innovation and quality.
Collaborations
Throughout his career, Nagasaka has collaborated with notable coworkers, including Hiroaki Fukao and Teruhiko Ohkita. These collaborations have fostered a creative environment that encourages the development of cutting-edge sewing solutions.
Conclusion
Nobusuke Nagasaka's contributions to sewing technology through his patents and collaborations have established him as a key figure in the industry. His innovative designs continue to influence the evolution of sewing machines, enhancing their capabilities and efficiency.