Location History:
- Matsubara, JP (1995)
- Osaka, JP (1992 - 1997)
Company Filing History:
2 out of 21 
1 out of 2,979 Years Active: 1992-1997
Title: Kiyoshi Nakamura: Innovator in Sewing Machine Technology
Introduction
Kiyoshi Nakamura, an accomplished inventor based in Osaka, Japan, is known for his significant contributions to the field of sewing machine technology. With a total of three patents to his name, Nakamura has developed innovative solutions that enhance the durability and efficiency of sewing machines, thereby improving the quality of sewing for users.
Latest Patents
Nakamura's latest patents showcase his ingenuity in design and material application. His first patent is a **Hook assembly with coated surfaces for sewing machines**. This inventive hook assembly includes a bearing rib on a bobbin case basket composed of liquid crystal polymer. The material used exhibits low rotating friction against the inner surface layer of the bearing raceway, enhancing durability without requiring lubrication. This innovation not only prevents oil staining on threads but also significantly boosts sewing quality.
His second notable patent is the **Inner bobbin case holder of a fully rotating hook**. This invention features a steel bobbin case holder body, with a coating of liquid crystal polymer molded to the outer surface to a precise thickness of 0.3 to 0.5 mm. By integrating this coating, Nakamura has improved wear resistance while preventing peeling, thus maintaining the integrity of the thread handling area, further extending the lifespan of sewing machines.
Career Highlights
Kiyoshi Nakamura has accumulated invaluable experience throughout his career, working with notable companies such as Hirose Manufacturing Co., Ltd. and Minolta Camera Co., Ltd. His expertise in manufacturing and engineering has played a critical role in the development of advanced sewing machine components.
Collaborations
Nakamura's journey in innovation has been shared with prominent colleagues, including Tokuzo Hirose and Sadanobu Murasaki. Their collaboration has fostered an environment of creativity and technical advancement in the field of sewing machinery.
Conclusion
Through his inventive spirit and dedication, Kiyoshi Nakamura has made lasting impacts in sewing technology. His patented innovations continue to facilitate improved user experiences, demonstrating the essential role of inventors in enhancing everyday tools. As the industry evolves, Nakamura's contributions serve as a benchmark for quality and durability in sewing machinery.