Kitazato Corporation researches, develops, manufactures, and markets medical devices, reagents, and related products for fertility treatment and assisted reproduction technologies. The company offers a comprehensive portfolio covering the entire IVF lifecycle, including oocyte retrieval needles; micro pipettes; embryo transfer (ET) and intrauterine insemination (IUI) catheters such as the RYDEN ET Catheter; culture media and oils like Hypure Oil Heavy; and the proprietary Cryotop Vitrification Method with associated kits including Ultra-Fast Vitri and Ultra-Fast Warming Kit. It supplies over 550 references to more than 3,000 clinics worldwide, with primary operations in Japan and global distribution across Asia, Europe, and other regions. Founded in 1998 and headquartered at 100-10 Yanagishima, Fuji, Shizuoka, Japan, the company, formerly known as Kitazato Biopharma Co., Ltd., listed on the Tokyo Stock Exchange Prime Market in June 2025 under ticker 368A.T following an initial public offering of approximately 14 million shares valued at up to JPY 21.6 billion. Recent developments include the launch of Ultra-Fast Vitrification Protocols and kits, expansion of IVF and andrology media ranges, and attainment of CE marking under EU Medical Device Regulation for the Ultra-Fast Warming Kit, alongside ongoing collaborations with leading clinics for product enhancements and best practice programs.