Company Filing History:
Years Active: 2012-2019
Title: Takao Sugiyama: Innovator in Lighting Technology
Introduction
Takao Sugiyama is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of lighting technology, holding a total of 5 patents. His innovative designs focus on enhancing the efficiency and functionality of lighting circuits and vehicle lamps.
Latest Patents
Among his latest patents, Sugiyama has developed a lighting circuit that effectively lights a semiconductor light source. This circuit includes a drive circuit that receives a PWM signal from a controller, generating a drive current to the semiconductor light source. It is designed to switch the drive current according to the PWM signal. Notably, when the non-input state of the PWM signal exceeds a predetermined time, the circuit asserts an abnormality detection signal, which is then output to the controller. Another significant patent involves a lighting circuit that supplies driving currents to both a first and a second light source. This circuit features a conversion unit that receives different voltages for each light source, performs voltage conversion, and supplies the necessary driving current.
Career Highlights
Takao Sugiyama is currently employed at Koito Manufacturing Company, Ltd., where he continues to innovate in the field of lighting technology. His work has been instrumental in advancing the capabilities of lighting systems used in various applications.
Collaborations
Sugiyama collaborates with talented coworkers, including Kotaro Matsui and Susumu Ogo, who contribute to the development of cutting-edge lighting solutions.
Conclusion
Takao Sugiyama's contributions to lighting technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in lighting systems, showcasing the importance of innovation in enhancing everyday technology.