Masunaga eyewear has beencrafted in Japan since 1905. The company's founder, Gozaemon Masunaga, set the standard for high-quality, hand-finished eyewear and transformed Fukui Prefecture into Japan's major eyewear hub. The brand is known for itsall-in-house approach, which is unusual in today's world where mass production and outsourcing dominate. Raw materials, creating molds, finishing, and everything in between – every step of manufacturing Masunaga eyeglasses is controlled in-house to ensure precision and quality. Masunaga is the sole eyewear maker in Japan to integrate all processes in a single factory.