This inventor holds 17 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 6 EPO patents. Top assignees: Seoul Opto Device Co., Ltd., Seoul Semiconductor Co., Ltd., Seoul Viosys Co., Ltd.. Active years: 2010-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ansan-si, KR (2014)
- Seongnam-si, KR (2010 - 2019)
Company Filing History:
6 out of 162 
6 out of 603 
5 out of 741 Years Active: 2010-2019
Title: Inventor Hong San Kim: Pioneering Innovations in Lighting Technology
Introduction
Hong San Kim is an accomplished inventor based in Seongnam-si, South Korea, known for his significant contributions to the field of light-emitting technology. With a portfolio of 17 patents, Kim's work primarily focuses on improving the efficiency and performance of light-emitting devices, particularly in AC power operations.
Latest Patents
One of Kim's most recent inventions is a light-emitting device designed specifically for AC power operation. This innovation addresses the limitations found in conventional light-emitting devices, which typically utilize AC light-emitting diodes with arrays of light-emitting cells connected in reverse parallel. In traditional setups, these arrays alternate between on and off in response to changes in the AC power source, resulting in diminished light emission time and a noticeable flicker effect. Kim's invention employs various means to prolong light emission time during the cycle and reduce flickering, which includes the use of switching blocks linked to nodes between the light-emitting cells or employing multiple arrays with different numbers of light-emitting cells.
Career Highlights
Throughout his career, Hong San Kim has worked with prominent companies in the tech industry, including Seoul Semiconductor Co., Ltd. and Seoul Opto Device Co., Ltd. His expertise in developing advanced light-emitting devices has positioned him as a leader in the field, driving innovations that enhance both the functionality and user experience of lighting technologies.
Collaborations
During his journey as an inventor, Kim has collaborated with esteemed colleagues such as Chung Hoon Lee and James Stephen Speck. These partnerships have contributed to the refinement of his inventions and the advancement of lighting technology as a whole.
Conclusion
Hong San Kim's dedication to innovation and his extensive portfolio of patents underscore his role as a significant figure in the lighting industry. With his latest advancements in AC light-emitting devices, he continues to push the boundaries of technology, paving the way for brighter, more efficient lighting solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile