Koizumi Glass was founded in 1912 by Shigekura Koizumi in Taito, Tokyo. They specialize in in-house melting of silica glass, focusing on handcrafted and “Made in Japan” products. Their range of glassware includes scientific, medical, and research glassware, as well as heat resistant tableware and coffee drippers.

As one of the few domestic manufacturers with in-house silica glass melting capabilities, Koizumi Glass takes pride in their company. They are dedicated to contributing to medical and chemical research and meeting the diverse needs of various industries. Their team strives to make valuable contributions every day.