Chang-su Ma

Title: Chang-su Ma: Innovator in Image Forming Technology

Introduction

Chang-su Ma is a notable inventor based in Yongin-si, South Korea. He has made significant contributions to the field of image forming technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of image forming apparatuses.

Latest Patents

One of his latest patents is titled "Image forming apparatus with fuser driver and method for controlling thereof." This invention includes a fuser designed to fuse printing paper where toner has been developed. The fuser driver provides power from an external AC source to a heating element inside the fuser, ensuring it maintains a predetermined temperature. Notably, when the image forming apparatus is in a waiting state, the fuser driver performs phase control on the power supplied to the heating element, optimizing its performance.

Another significant patent is the "Synchronous rectifier circuit and multi-output power supply device using the same." This invention features a semiconductor switch that controls the current flow within the synchronous rectifier circuit. A switching controller manages the semiconductor switch based on a synchronous rectification control signal and an output control signal, which is generated by feeding back the output voltage. This innovation aims to control output voltage, reduce power loss, and enhance the overall efficiency of the synchronous rectifier circuit.

Career Highlights

Chang-su Ma has worked with prominent companies in the technology sector, including Samsung Electronics Co., Ltd. and S-Printing Solution Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in image forming technology.

Collaborations

Throughout his career, Chang-su Ma has collaborated with talented individuals such as Jee-hoon Jung and Young-jun Song. These partnerships have contributed to the advancement of his projects and innovations.

Conclusion

Chang-su Ma is a distinguished inventor whose work in image forming technology has led to valuable patents that enhance efficiency and functionality. His contributions continue to impact the industry positively.