Hirotake Sumi

Title: Innovations of Hirotake Sumi

Introduction

Hirotake Sumi is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of antenna technology, holding three patents that showcase his innovative designs. His work has implications for wireless communication devices, enhancing their efficiency and performance.

Latest Patents

Hirotake Sumi's latest patents include an antenna device that features a ground plane with a protruding metallic member. This design constructs a first loop that corresponds to specific electric lengths at different frequencies. Another patent focuses on an antenna device and wireless communication device that incorporates a monopole antenna element and a plurality of dipole feeding elements. These elements are strategically positioned to optimize communication at varying frequencies, demonstrating Sumi's expertise in antenna design.

Career Highlights

Throughout his career, Hirotake Sumi has worked with prominent companies such as Fujitsu Corporation and Fujitsu Mobile Communications Limited. His experience in these organizations has allowed him to refine his skills and contribute to advancements in technology.

Collaborations

Hirotake Sumi has collaborated with talented individuals in his field, including Takashi Yamagajo and Yohei Koga. These partnerships have likely fostered innovation and creativity in their projects.

Conclusion

Hirotake Sumi's contributions to antenna technology and wireless communication are noteworthy. His patents reflect a deep understanding of the complexities involved in these fields. His work continues to influence advancements in communication technology.