This inventor holds 3 USPTO granted patents. Top assignee: Hitachi Denshi Kabushiki Kaisha. Active years: 1999-2001.
Company Filing History:
Years Active: 1999-2001
Title: Fumihito Tomaru: Innovator in Frequency Synthesis and Amplification Technologies
Introduction
Fumihito Tomaru is a notable inventor based in Higashikurume, Japan. He has made significant contributions to the field of frequency synthesis and amplification technologies. With a total of 3 patents to his name, Tomaru's work has advanced the capabilities of communication systems.
Latest Patents
Tomaru's latest patents include a fractional-N system frequency synthesizer and synthesizing method, as well as a field pickup unit utilizing this synthesizer. The fractional-N system frequency synthesizer is designed to adapt to multiple channel frequencies within a microwave band. It consists of a fractional control unit, a channel setting unit, and a memory that stores information on the dividing ratio. The field pickup unit comprises a transmitter and a receiver, each equipped with a fractional-N system frequency synthesizer that converts an intermediate frequency signal of 1.5 GHz to a microwave frequency band.
Another significant patent involves an amplifier that can simultaneously amplify multiple input signals across different frequency bands. This amplifier features a distortion extracting section, a distortion compensation section, and a distortion eliminating section, which work together to enhance signal quality by managing distortion components effectively.
Career Highlights
Fumihito Tomaru is currently employed at Hitachi Denshi Kabushiki Kaisha, where he continues to innovate in the field of electronics and communication technologies. His work has been instrumental in developing advanced systems that improve signal processing and transmission.
Collaborations
Tomaru collaborates with esteemed colleagues such as Norio Hikasa and Hirotake Wakai. Their combined expertise contributes to the advancement of technologies in their respective fields.
Conclusion
Fumihito Tomaru's contributions to frequency synthesis and amplification technologies have made a significant impact on communication systems. His innovative patents reflect his dedication to enhancing electronic capabilities.