Location History:
- Tokorozawa, JP (1991)
- Osaka, JP (2002)
- Hiroshima, JP (2015 - 2018)
Company Filing History:
6 out of 631 
3 out of 130 
2 out of 1,100 
Years Active: 1991-2018
Title: Akira Nakazumi: Pioneering Innovations in Electric Motors
Introduction
Akira Nakazumi, an accomplished inventor based in Hiroshima, Japan, has made significant contributions to the field of engineering with a notable portfolio of six patents. His work primarily focuses on electric motors and hybrid devices, pushing the boundaries of technology and innovation.
Latest Patents
Among Nakazumi's latest innovations is a patent for an "Electric motor having sealed casing and manufacturing method thereof." This invention provides an electric motor assembly designed to prevent sealant leakage through lead-wire drawing portions. The assembly includes a rotor, a stator, and a casing, as well as a unique partition wall with through-holes and highly elastic plugs that secure lead-wire insertion holes. This design allows for sealants to be injected into the casing, ensuring that the plugs fit snugly and prevent any leakage during operation.
Another significant patent involves a "Hybrid device and hybrid construction machine including same." This innovation features a control unit strategically placed on the upper slewing body of machinery, designed with a quadrangular shape. It facilitates the connection of electric wires and liquid pipelines for cooling or heating purposes, enhancing the functionality and efficiency of hybrid machines.
Career Highlights
Throughout his career, Nakazumi has worked with reputable companies such as Kobelco Construction Machinery Co., Ltd. and Sinfonia Technology Co., Ltd. His expertise in mechanical engineering and innovation has earned him recognition in the industry, showcasing his commitment to advancing technology in construction and industrial machinery.
Collaborations
Nakazumi's journey has also included collaborations with talented professionals like Yusuke Kamimura and Takeshi Tomizaki. Working alongside these individuals has facilitated the exchange of ideas and further propelled Nakazumi's innovative efforts within his field.
Conclusion
In conclusion, Akira Nakazumi stands out as a key inventor in the realm of electric motors and hybrid technology. His continuous pursuit of innovation is evident through his patents and collaborations, solidifying his legacy as a forward-thinking engineer dedicated to creating practical and effective solutions for the future.