This inventor holds 4 USPTO granted patents and 3 published patent applications. Top assignees: Nidec Sankyo Corporation, Omron Corporation, Sankyo Seiki Mfg. Co., Ltd. Active years: 2005-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:


Years Active: 2005-2013
Title: Innovations of Hidekazu Yoneyama
Introduction
Hidekazu Yoneyama is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of motor technology and lens driving devices. With a total of 4 patents to his name, Yoneyama's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Yoneyama's latest patents is a rotor for a motor. This rotor includes a rotation shaft and a tube-like permanent magnet fixed to the outer peripheral side of the rotation shaft. A sleeve is also incorporated, which is press-fitted and fixed to the outer peripheral face of the rotation shaft. This design allows for a first ring-shaped recessed part to be formed, ensuring that the rotation shaft and the permanent magnet are securely fixed together. This rotor is particularly applicable to stepping motors.
Another significant patent is a lens driving device designed for portable equipment with a camera. This device features a moving body that includes a lens and a drive magnet, which moves in the optical axis direction of the lens. The fixed body supports the moving body and includes drive coils that form magnetic circuits with the drive magnet. This innovative design allows the moving body to be retained at specific positions through magnetic attraction, enhancing the functionality of camera equipment.
Career Highlights
Yoneyama has worked with prominent companies such as Nidec Sankyo Corporation and Omron Corporation. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the industry.
Collaborations
Throughout his career, Yoneyama has collaborated with talented individuals, including Masao Yajima and Toshifumi Tsuruta. These collaborations have likely enriched his work and led to further innovations in his field.
Conclusion
Hidekazu Yoneyama's contributions to motor technology and lens driving devices highlight his innovative capabilities as an inventor. His patents reflect a commitment to advancing technology and improving functionality in various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile