Location History:
- Inba-gun, JP (2002 - 2005)
- Shisui, JP (2003 - 2011)
Company Filing History:
5 out of 42,508 
2 out of 495 Years Active: 2002-2011
Title: **Keiji Noma: Innovator in Electric Rotary Machines**
Introduction
Keiji Noma, an accomplished inventor based in Shisui, Japan, has made significant contributions to the field of electrical engineering. With a total of seven patents to his name, Noma's work primarily focuses on the development of advanced electric rotary machines, illustrating his innovative approach in this critical technology sector.
Latest Patents
Among Noma's latest inventions is a groundbreaking patent for a permanent magnet type electric rotary machine and compressor. This innovative design features a stator that includes a stator core equipped with teeth and slots, coupled with a rotor that incorporates permanent magnets as magnet poles in a rotor core. The inventive aspect lies in the pole core portion, which is designed with multiple pole slits between the magnets and the outer surface of the rotor core. This configuration, defined by concave portions on q-axes, is aimed at enhancing the efficiency of magnetic flux passage, ultimately allowing for superior functionality of the rotary machine.
Career Highlights
Noma's professional journey has seen him work with prominent companies, including Hitachi, Ltd. and Hitachi Industrial Equipment Systems Co., Ltd. Through his roles at these organizations, he has profoundly influenced the development of electrical machinery, solidifying his reputation as a leading inventor in this domain.
Collaborations
Throughout his career, Keiji Noma has collaborated with notable engineers and inventors, including Satoshi Kikuchi and Haruo Koharagi. These collaborations have further propelled his innovative projects, leading to multiple patent submissions and advancements in electric rotary technologies.
Conclusion
Keiji Noma stands out as a remarkable figure in the realm of inventions and innovations within electrical engineering. His dedication to refining electric rotary machines through his patents signifies the impact of his work on both industry practices and technological advancements. As he continues to explore new horizons in technology, Noma's legacy as an inventor is sure to inspire future generations.