Company Filing History:
Years Active: 2022-2023
Title: Ryosuke Matsuhana: Innovator in Automotive Lighting Technology
Introduction
Ryosuke Matsuhana is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of automotive lighting technology, holding a total of five patents. His innovative designs focus on enhancing the efficiency and functionality of lighting circuits in automotive applications.
Latest Patents
Matsuhana's latest patents include a groundbreaking lighting circuit for automotive lamps. This circuit is designed to activate multiple semiconductor light sources, utilizing several current sources that are each connected to a corresponding semiconductor light source. A switching converter is employed to supply a driving voltage across each of the multiple series connection circuits formed by the semiconductor light sources and the current sources. The converter controller utilizes a ripple control method to turn on a switching transistor of the switching converter when the voltage across any one of the current sources drops to a predetermined bottom limit voltage. Another patent focuses on a similar lighting circuit that also activates multiple semiconductor light sources, with a converter controller that regulates the switching transistor based on the relationship between the voltage across one of the current sources and a reference voltage that correlates positively with temperature.
Career Highlights
Matsuhana is currently associated with Koito Manufacturing Company, Ltd., a leading firm in the automotive lighting industry. His work has been instrumental in advancing the technology used in automotive lamps, contributing to safer and more efficient vehicles.
Collaborations
Some of his notable coworkers include Tomoyuki Ichikawa and Satoshi Kikuchi, who have collaborated with him on various projects within the company.
Conclusion
Ryosuke Matsuhana's innovative work in automotive lighting technology has led to significant advancements in the field. His patents reflect a commitment to improving the efficiency and functionality of automotive lighting systems.