Location History:
- Tokushima, JA (1977)
- Hirakata, JP (1990 - 1992)
Company Filing History:
3 out of 27,375 
1 out of 36 Years Active: 1977-1992
Title: The Innovations of Tadashi Sato
Introduction
Tadashi Sato is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of sewing technology, holding a total of 3 patents. His work focuses on enhancing the functionality and precision of sewing machines, which has had a positive impact on the industry.
Latest Patents
One of his latest patents is a sewing machine-driving apparatus. This innovative device ensures the formation of an accurate and stable seam at the first stitch in conventional double chain stitch or covering chain stitch sewing machines. The motor is designed to drive the sewing machine in a reverse direction for a limited time after a thread cutting operation, allowing the stitching needles to reach their lowest points without interfering with the looper thread. This guarantees a stable and accurate seam in the subsequent stitch.
Another significant patent is for a sewing machine that reversely rotates the electric motor for a predetermined angle immediately after every thread trimming. This mechanism brings the needle bar to its upper dead point when the motor stops, preventing any damage to the fabric by the needle tip. The angle of rotation is controlled by processing the output signal from a speed detector, showcasing Sato's innovative approach to sewing technology.
Career Highlights
Tadashi Sato has worked with prominent companies in the industry, including Matsushita Electric Industrial Co., Ltd. and Yamato Mishin Seizo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise and the development of his patented technologies.
Collaborations
Throughout his career, Sato has collaborated with talented individuals such as Sachihiko Hamaguchi and Ikuo Oomura. These partnerships have likely fostered a creative environment that has led to the advancement of sewing machine technology.
Conclusion
Tadashi Sato's contributions to sewing technology through his innovative patents demonstrate his commitment to improving the industry. His work continues to influence the design and functionality of sewing machines, ensuring that they meet the evolving needs of users.