Location History:
- Saitama, JP (1989)
- Tokorozawa, JP (1998 - 1999)
Company Filing History:
Years Active: 1989-1999
Title: Innovations of Tomoyuki Toshima
Introduction
Tomoyuki Toshima is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of electromagnetic noise suppression, holding a total of 5 patents. His work focuses on developing materials and methods that effectively mitigate unwanted electromagnetic waves.
Latest Patents
Toshima's latest patents include advancements in electromagnetic noise absorbing materials and filters. These innovations are designed to be small, lightweight, and effective against unwanted electromagnetic waves of several hundred MHz or more. His electromagnetic noise absorbing materials feature a thickness or particle diameter of the alloy magnetic substance that ranges from 1/10 to 10 times the skin depth. This design allows for the generation of large eddy current losses, enabling the creation of various shapes of electromagnetic noise filters that are both compact and efficient. Additionally, he has developed a thin film manufacturing method that produces materials with small hysteresis and superior high-frequency response.
Career Highlights
Tomoyuki Toshima is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to innovate in the field of electromagnetic technology. His work has been instrumental in advancing the understanding and application of magnetic sensors and magnetic field sensing methods. By utilizing a conductor with magnetic materials, his sensors can detect external magnetic fields through changes in impedance when a high-frequency current is applied.
Collaborations
Toshima has collaborated with notable colleagues such as Masakatsu Senda and Osamu Ishii. Their combined expertise has contributed to the successful development of his innovative technologies.
Conclusion
Tomoyuki Toshima's contributions to electromagnetic noise suppression and sensor technology highlight his role as a leading inventor in his field. His patents reflect a commitment to advancing technology that addresses modern challenges in electromagnetic interference.