Company Filing History:
Years Active: 2006-2007
Title: Masaharu Hoshikawa: Innovator in Magneto-Optical Devices
Introduction
Masaharu Hoshikawa is a prominent inventor based in Minato-ku, Japan. He has made significant contributions to the field of magneto-optical devices, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of optical devices.
Latest Patents
Hoshikawa's latest patents include a magneto-optical device that aims to reduce size while increasing the speed of optical control. This innovation simplifies the power supply structure and maintains a Faraday rotation angle in an arbitrary state even after the excitation current is shut off. The device features a magnetic yoke made of high-permeability material, with a coil wound on pillar portions and a magneto-optical element arranged in an open-magnetic-circuit region.
Another notable patent is for a polarized-light separating and combining element. This invention effectively suppresses angular errors, reduces beam coupling loss, and improves the extinction ratio. The design allows for size reduction and cost-effective manufacturing of optical devices such as optical circulators and switches. This polarized-light element is particularly beneficial for achieving low crosstalk characteristics in matrix optical switches.
Career Highlights
Hoshikawa is currently employed at FDK Corporation, where he continues to innovate in the field of optical technology. His work has garnered attention for its practical applications and advancements in optical device performance.
Collaborations
Some of Hoshikawa's notable coworkers include Hiromitsu Umezawa and Yuji Goto, who contribute to the collaborative efforts in developing cutting-edge optical technologies.
Conclusion
Masaharu Hoshikawa's contributions to magneto-optical devices exemplify the innovative spirit in the field of optical technology. His patents reflect a commitment to enhancing device efficiency and functionality, making a significant impact in the industry.