Location History:
- Yamato, JP (1987)
- Kanagawa, JP (1986 - 1989)
Company Filing History:
Years Active: 1986-1989
Title: Norimitsu Hirano: Innovator in Motor Technology
Introduction
Norimitsu Hirano is a distinguished inventor based in Kanagawa, Japan. He has made significant contributions to the field of motor technology, holding three patents that showcase his innovative approach to engineering.
Latest Patents
One of Hirano's latest patents is the "Five-phase DC Motor with Non-overlapping Armature Windings." This invention features a 5-phase DC motor designed for mass production at a reduced cost. The motor includes a field magnet with four alternating north and south magnetic poles, a rotor with five rotor pole shoes, and a commutator with ten segments. The unique design of the armature windings ensures that they do not overlap, enhancing efficiency.
Another notable patent is the "Self-starting Disk-type Brushless Motor with Screw Projection." This disk-type brushless motor incorporates a 2p-pole magnet rotor and a single position sensor element. The stator armature is designed to generate torque effectively, and a screw projection is included to facilitate the self-starting mechanism of the rotor.
Career Highlights
Hirano has worked with reputable companies such as Shicoh Engineering Co., Ltd. and Kabushiki Kaisha Shicoh Giken. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in motor technology.
Collaborations
Throughout his career, Hirano has collaborated with talented individuals, including Kazuhito Egami and Manabu Shiraki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Norimitsu Hirano's contributions to motor technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry, showcasing the importance of creativity in engineering.