Toshio Hiroi

Title: Innovations of Toshio Hiroi: Pioneering Electromagnetic Wave Absorption

Introduction

Toshio Hiroi, an influential inventor based in Kyoto, Japan, has made significant contributions in the field of electromagnetic wave technology. With a total of nine patents to his name, Hiroi has focused on developing advanced materials that effectively address the challenges of high-frequency electromagnetic waves.

Latest Patents

Hiroi's latest inventions showcase his commitment to innovation. One standout patent is for a transmission-type electromagnetic-wave absorber, designed to satisfactorily absorb high-frequency electromagnetic waves, particularly those in or above the millimeter wave band. This novel absorber reduces surface reflection and includes a magnetic iron oxide absorbing layer that resonates at high frequencies, along with a binder containing organic material. Notably, the electromagnetic-wave absorber has a real part of complex relative permittivity of 5.5 or less at 1 GHz.

Another significant development is his electromagnetic-wave absorbing composition and electromagnetic-wave absorption body. This composition can favorably absorb high-frequency electromagnetic waves and can be applied as a paste. It features a rubber binder, a filler made of a particulate carbon material, and a resonant magnetic iron oxide. The resulting absorber is flexible and does not include a reflective layer, enhancing its capability to absorb electromagnetic waves without reflections.

Career Highlights

Throughout his career, Toshio Hiroi has collaborated with esteemed companies such as Maxell Holdings Ltd. and Maxell Ltd., where he utilized his expertise to further the field of electromagnetic wave technology. His innovative work has solidified his reputation as a prominent inventor in this specialized domain.

Collaborations

Hiroi's journey has also been enriched through collaborations with renowned colleagues such as Masao Fujita and Shinji Kawakami. Together, they have pushed the boundaries of research and development in electromagnetic wave absorption technologies.

Conclusion

Toshio Hiroi stands out as a remarkable inventor whose contributions have significantly advanced the understanding and application of electromagnetic wave absorbers. With a focus on high-frequency electromagnetic waves, he continues to inspire innovation in technology, paving the way for future advancements in the field.