Company Filing History:
Years Active: 1976-1977
Title: Kazuo Onishi: Innovator in Electric Motor Cooling and Sewing Machine Control
Introduction
Kazuo Onishi is a notable inventor based in Hitachi, Japan. He has made significant contributions to the fields of electric motor technology and sewing machine control systems. With a total of 6 patents to his name, Onishi's work reflects a commitment to innovation and practical solutions.
Latest Patents
One of Onishi's latest patents is a cooling device for use in a low inertia electric motor. This device features multiple main passages for cooling air, strategically arranged around the outer circumferential surface of a cylindrical armature. The design allows for cooling air to be introduced under pressure, effectively cooling the armature while creating a circumferential flow of air through gaps left between magnetic pole pieces.
Another significant patent is a control apparatus for sewing machines with automatic needle stopping means. This apparatus includes a motor that supplies driving force to the sewing machine, along with a speed control device that regulates the motor's rotational speed. The system also incorporates a position detector unit to monitor the sewing machine needle's position, ensuring precise control and stopping at predetermined positions.
Career Highlights
Kazuo Onishi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop and refine his inventions, contributing to advancements in both electric motor and sewing machine technologies.
Collaborations
Onishi has collaborated with notable coworkers, including Tadashi Takahashi and Shigeki Morinaga. Their combined expertise has likely enhanced the development and implementation of innovative solutions in their respective fields.
Conclusion
Kazuo Onishi's contributions to technology through his patents demonstrate his innovative spirit and dedication to improving electric motor and sewing machine functionalities. His work continues to influence advancements in these areas, showcasing the importance of innovation in engineering.