This inventor holds 6 USPTO granted patents and 3 published patent applications. Top assignee: Hitachi Metals, Ltd.. Active years: 2014-2021.
Location History:
- Tokyo, JP (2018)
- Hitachi, JP (2014 - 2021)
Company Filing History:
Years Active: 2014-2021
Title: Innovations of Hidehito Hanawa
Introduction
Hidehito Hanawa is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of insulated wire technology. With a total of 6 patents to his name, Hanawa's work has had a considerable impact on electrical engineering.
Latest Patents
One of Hanawa's latest patents involves an insulated wire that includes a conductor and two insulation coating layers. The first layer is made of a polyamide-imide resin with dispersed inorganic fine particles, while the second layer consists of either a polyamide-imide resin or a polyimide resin. This design ensures that the minimum winding multiplied diameter does not cause cracks in the insulation when the wire is elongated by 30%. Another notable patent is a partial discharge measurement method, which includes steps for moving an insulated wire, applying a test voltage, and detecting partial discharge signals. This method allows for the determination of the frequency of partial discharge events, enhancing the reliability of insulated wires.
Career Highlights
Hanawa is currently employed at Hitachi Metals, Ltd., where he continues to innovate in the field of electrical materials. His work has been instrumental in advancing the technology surrounding insulated wires, making them safer and more efficient for various applications.
Collaborations
Some of Hanawa's coworkers include Hideyuki Kikuchi and Yasuhiro Funayama. Their collaborative efforts contribute to the innovative environment at Hitachi Metals, Ltd.
Conclusion
Hidehito Hanawa's contributions to insulated wire technology exemplify the importance of innovation in electrical engineering. His patents reflect a commitment to improving safety and efficiency in electrical applications.