Location History:
- Nagoya, JP (1981 - 1986)
- Aichi, JP (1989)
Company Filing History:
5 out of 1,138 
4 out of 1,343 
Years Active: 1981-1989
Title: Hiroshi Niimi: Innovator in Spinning Technology
Introduction
Hiroshi Niimi is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of spinning technology, holding a total of 6 patents. His innovative designs have advanced the efficiency and functionality of spinning machines.
Latest Patents
One of his latest patents is for a spinning unit in an open-end spinning machine. This invention features a rotor with an inner wall, a bottom portion, and an open end, designed to rotate about a center axis. The rotor includes a stationary closing member that projects into the spinning chamber, effectively closing the open end and incorporating a fiber supply duct. This duct is strategically arranged to optimize fiber delivery, ensuring that its width does not exceed 90 percent of the closing member's diameter.
Another notable patent is a method and apparatus for producing a fasciated yarn. This invention utilizes an air nozzle for false-twisting a fiber bundle. The apparatus is designed with a fiber passage that includes an inlet portion, a small channel, and a large channel. A contact area on the inner wall of the small channel effectively suppresses unwanted twists and ballooning during the spinning operation, allowing for improved air intake.
Career Highlights
Hiroshi Niimi has worked with notable companies such as Toyota Central R&D Labs, Inc. and Toyoda Automatic Loom Works, Ltd. His experience in these organizations has contributed to his expertise in spinning technology and innovation.
Collaborations
Throughout his career, Niimi has collaborated with esteemed colleagues, including Susumu Kawabata and Junzo Hasegawa. These partnerships have fostered a creative environment that has led to groundbreaking advancements in the industry.
Conclusion
Hiroshi Niimi's contributions to spinning technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of more efficient spinning machines and yarn production methods.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.