"We will continue to strengthen our dominance in the document understanding market with our unique technology." This startup, now in its fifth year, has never received external investment and has grown solely through sales. The company's growth is driven by its CEO, who has an engineering background, its 20 employees, and more than 10 patents. This is the story of Lomin, an AI optical character recognition (OCR) company, and its CEO, Kang Ji-hong.