Location History:
- Otsu, JA (1976)
- Ohtsu, JP (1983)
- Otsu, JP (1978 - 1990)
Company Filing History:
3 out of 3,476 
1 out of 105 
Years Active: 1976-1990
Title: The Innovations of Tadashi Kohara
Introduction
Tadashi Kohara is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of yarn technology, holding a total of 4 patents. His work focuses on improving the efficiency and quality of yarn production processes.
Latest Patents
One of his latest inventions is a yarn winding device. This device comprises a yarn feeding unit that feeds yarn at a predetermined speed, an absorbing unit that absorbs variations in yarn speed, a tensioning unit that applies a specific tension to the yarn, and a winding unit that winds the yarn onto a bobbin while traversing it. Additionally, it features a yarn detecting unit that determines the presence of yarn in the absorbing unit and a control unit that adjusts the winding speed based on signals from the detecting unit. This innovation allows for the creation of cone cheese packages or ribbonless packages under constant tension.
Another significant patent is for a process and apparatus for simultaneously drawing and false-twisting thermoplastic synthetic yarn. This invention allows for the drawing of undrawn or partially drawn yarn under dry hot conditions while being false-twisted. The apparatus includes a yarn heater with both dry and wet heating components, ensuring optimal processing conditions.
Career Highlights
Tadashi Kohara has worked with prominent companies in the textile industry, including Toray Industries, Inc. and Toray Engineering Company, Limited. His experience in these organizations has contributed to his expertise in yarn technology and innovation.
Collaborations
Throughout his career, Kohara has collaborated with talented individuals such as Seiichi Yamagata and Masaaki Sakai. These partnerships have likely enhanced his inventive capabilities and led to the development of groundbreaking technologies in yarn production.
Conclusion
Tadashi Kohara's contributions to yarn technology through his innovative patents demonstrate his commitment to advancing the industry. His inventions not only improve production efficiency but also enhance the quality of yarn products.