This inventor holds 6 USPTO granted patents. Top assignees: Semiconductor Components Industries, LLC, Sanyo Electric Co., Ltd., Sanyo Semiconductor Co., Ltd.. Active years: 2007-2016.
Location History:
- Ota, JP (2007 - 2015)
- Ora-gun, JP (2014 - 2016)
Company Filing History:
4 out of 3,720 
2 out of 8,782 
1 out of 306 Years Active: 2007-2016
Title: Innovations of Yoshio Fujimura
Introduction
Yoshio Fujimura is a notable inventor based in Ota, Japan. He has made significant contributions to the field of light-emitting technology, holding a total of 6 patents. His work focuses on improving the efficiency and functionality of light-emitting elements through innovative circuit designs.
Latest Patents
Fujimura's latest patents include a control circuit for a light-emitting element. This control circuit features a rectifying unit that full-wave rectifies an alternating current power supply. It also includes a clock generator that produces a clock signal (CLK), a first comparator for comparing a comparison voltage (CS) with a reference voltage (REF), and a switching element that synchronizes with the clock signal to manage the current flowing to the light-emitting element. This design aims to reduce or inhibit noise by varying the period of the clock signal generated. Another significant patent is a method for driving a light-emitting unit, which includes a driver circuit with a light-emitting element and a current limiting inductor. This circuit is designed to regenerate energy stored in the inductor and control the current flowing through the light-emitting element effectively.
Career Highlights
Fujimura has worked with prominent companies in the electronics industry, including Semiconductor Components Industries, LLC and Sanyo Electric Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced light-emitting technologies.
Collaborations
Throughout his career, Fujimura has collaborated with talented individuals such as Shuhei Kawai and Koudai Nakamura. These collaborations have likely enriched his work and led to innovative solutions in the field.
Conclusion
Yoshio Fujimura's contributions to light-emitting technology through his patents and collaborations highlight his role as a significant inventor in the industry. His innovative designs continue to influence advancements in this field.