This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Sumida Corporation. Active years: 2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Minamisouma, JP (2008)
- Tokyo, JP (2008)
Company Filing History:
Years Active: 2008
Title: Innovations of Yoshio Kawahata
Introduction
Yoshio Kawahata is a notable inventor based in Minamisoma, Japan. He has made significant contributions to the field of magnetic elements and coil devices. With a total of 2 patents, his work focuses on enhancing the performance and stability of magnetic components.
Latest Patents
Kawahata's latest patents include a magnetic element and a method of manufacturing this element. The primary challenge addressed in this patent is to stabilize temperature characteristics across various attributes of a magnetic element. This magnetic element features a coil formed by winding a conductor, EP cores made of magnetic material that channel the magnetic flux generated in the coil, and a solid part positioned between opposing EP cores. This solid part, which can be made from ceramics or resin material, is designed to have a thickness ranging from 3 µm to 30 µm.
Another significant patent is for a coil device, composite coil device, and transformer device. This invention presents a transformer-type compact and thin coil device that boasts a high coupling degree between a primary coil and a secondary coil. The design incorporates multiple sets of transformer-type coil devices, enhancing the overall functionality. The coil device includes a first winding portion where primary and secondary coil wires are wound in bifilar form, and a second winding portion where a secondary coil wire is arranged parallel to the first winding portion.
Career Highlights
Kawahata is currently associated with Sumida Corporation, where he continues to innovate in the field of magnetic technology. His work has been instrumental in advancing the capabilities of coil devices and transformers.
Collaborations
He has collaborated with notable coworkers such as Yuichiro Urano and Naoki Sasaki, contributing to various projects and innovations within the company.
Conclusion
Yoshio Kawahata's contributions to the field of magnetic elements and coil devices highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to solving complex engineering challenges, making him a significant figure in his field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile