Company Filing History:
2 out of 42,526 
1 out of 7 Years Active: 1982-1991
Title: Mitsuhiro Nitobe: Innovator in Dynamoelectric Machines
Introduction
Mitsuhiro Nitobe is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of dynamoelectric machines, holding 2 patents that showcase his innovative spirit and technical expertise.
Latest Patents
One of his latest patents is for a "DC dynamoelectric machine with interpoles having magnetic flux bypassing." This invention features a solid soft iron magnetic flux bypassing member that is strategically placed between field poles and interpoles. It operates effectively even under heavy conditions, controlling interpole magnetic flux and maintaining stability during sudden load changes. Another significant patent is for a "commutator apparatus for rotary electric machines." This apparatus includes multiple commutator segments mounted on a rotary shaft, designed to enhance mechanical strength and reliability by reducing vibratory stress through innovative riser connections.
Career Highlights
Mitsuhiro Nitobe has worked with prominent companies such as Hitachi, Ltd. and Hitachi Setsubi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in electric machinery.
Collaborations
Throughout his career, he has collaborated with notable coworkers, including Haruo Koharagi and Kazuo Tahara. These partnerships have likely enriched his work and led to further innovations in the field.
Conclusion
Mitsuhiro Nitobe's contributions to dynamoelectric machines reflect his dedication to innovation and engineering excellence. His patents demonstrate a commitment to improving the functionality and reliability of electric machinery.