This inventor holds 6 USPTO granted patents. Top assignees: Toyo Ink Manufacturing Company, Tokyo Juki Industrial Co., Ltd., Nippon Oil Company. Active years: 1978-1986.
Location History:
- Tokyo, JA (1978)
- Kyobashi, JP (1979 - 1983)
- Tokyo, JP (1979 - 1986)
- Chofu, JP (1986)
Company Filing History:
3 out of 223 
2 out of 105 
1 out of 690 Years Active: 1978-1986
Title: Innovations of Toru Matsubara
Introduction
Toru Matsubara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of sewing machine technology, holding a total of 6 patents. His work focuses on improving the functionality and efficiency of sewing machines, which has had a lasting impact on the industry.
Latest Patents
Matsubara's latest patents include a "Method of controlling upper thread in sewing machine." This invention relates to a method for managing the upper thread in a sewing machine, which includes a needle that holds the upper thread and is vertically movable in association with a spindle. The invention also features a loop taker that holds a bobbin case carrier with a lower thread, which is rotatable in conjunction with the spindle to form a lock stitch with the needle. The method ensures that the tension required for stitch tightening is applied to the upper thread at the appropriate times during the sewing process. Another significant patent is the "Thread feed device in a sewing machine," which comprises a thread paying-out member positioned in the thread path between the bobbin and needle, along with a pair of holding means and a control circuit for managing their operation.
Career Highlights
Throughout his career, Matsubara has worked with prominent companies such as Toyo Ink Manufacturing Company and Tokyo Juki Industrial Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative solutions in sewing technology.
Collaborations
Matsubara has collaborated with notable coworkers, including Kiyoshi Goto and Kazuyoshi Iida. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking inventions in the sewing machine industry.
Conclusion
Toru Matsubara's contributions to sewing machine technology through his patents and collaborations highlight his innovative spirit and dedication to improving industry standards. His work continues to influence the field and inspire future advancements.