Location History:
- Yokohama, JP (2009)
- Tokyo, JP (2008 - 2020)
Company Filing History:
7 out of 1,142 
1 out of 341 
1 out of 987 
Years Active: 2008-2020
Title: Narifumi Tojima: Innovator in Rotary Machine Technology
Introduction
Narifumi Tojima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of rotary machine technology, holding a total of 8 patents. His innovative designs have paved the way for advancements in various applications.
Latest Patents
One of Tojima's latest patents is the double stator-type rotary machine. This machine features an annular rotor, an outer stator positioned on the outer side of the rotor, and an inner stator located on the inner side of the rotor. The rotor is equipped with permanent magnets arranged on the inner stator side, enhancing its efficiency. Another notable patent is for a rotary machine and method for manufacturing a rotary machine. This design includes an annular stator with an annular yoke section, multiple salient poles that protrude radially inward, and coils placed on the salient poles. The circumferential surfaces of the salient poles are tapered toward their tips, and the coils consist of a first coil and a second coil.
Career Highlights
Throughout his career, Tojima has worked with esteemed companies such as IHI Corporation and Ishikawajima-Harima Heavy Industries Co., Ltd. His experience in these organizations has contributed to his expertise in rotary machine technology and innovation.
Collaborations
Tojima has collaborated with notable colleagues, including Takehiro Jikumaru and Koshi Ishimoto. Their combined efforts have led to advancements in the field and have fostered a collaborative environment for innovation.
Conclusion
Narifumi Tojima's contributions to rotary machine technology are noteworthy, with several patents that showcase his innovative spirit. His work continues to influence the industry and inspire future advancements.