Core R&D Technologies

Since our founding, Kitazato Corporation has been dedicated to developing solutions that support every stage of fertility treatment. This commitment is built upon a foundation of technical expertise cultivated over decades and a profound mission to advance the quality of reproductive medical care.

Our in-house capabilities encompass a broad spectrum of essential reproductive technologies—from oocyte retrieval and fertilization to embryo culture, cryopreservation, and transfer. By maintaining this comprehensive expertise internally, we ensure the development of reliable, high-performance products that healthcare professionals can utilize with confidence.

Core Technologies Supporting Reproductive Medicine

1. Cryopreservation Technologies

Kitazato Corporation has earned global recognition for its pioneering cryopreservation technologies for oocytes and embryos. Our vitrification media, thawing media, and cryostorage devices—most notably the Cryotop®—utilize ultra-rapid vitrification technology to achieve industry-leading survival rates and exceptional reproducibility. These solutions are trusted by medical professionals in numerous countries and regions worldwide.

As a core technological domain that defines our company, we remain dedicated to advancing research and development in this field. Our focus remains on innovating new preservation methods and further enhancing usability to support the evolving needs of fertility treatment.

2. Catheters and Oocyte Retrieval Needles

For ET catheters, IUI catheters, oocyte retrieval needles, and other devices, we pursue the precision, flexibility, and visibility required in clinical settings.
By performing meticulous manual adjustments on each individual product, we enhance quality at the highest level.
Our technological capability to provide customization at the millimeter to micrometer scale has earned high praise from medical institutions around the world.

3. Culture Media and Solution Development Technologies

Focusing on the stability and safety required for the culture of oocytes, sperm, and embryos, we develop a comprehensive range of essential products in-house. Our lineup includes vitrification and thawing media, culture media, and sperm preparation solutions.

By leveraging our specialized expertise and research data in fertility treatment, we develop media designed to support higher pregnancy rates.

Collaborative Research × Clinical Expertise

We continuously collaborate with medical institutions and universities in Japan and internationally to improve products and develop new technologies.
Insights gained from our global network spanning approximately 110 countries are reflected in our research, enabling us to transform clinically driven challenges into highly practical technologies.

Promotion of Open Innovation

To further enhance our core technologies, we actively promote collaboration with external companies and research institutions.
By incorporating advanced fields such as new materials, AI, and reproductive cell engineering, we aim to create next-generation reproductive medicine technologies.

Proprietary Technologies × Made in Japan Quality

Our products are manufactured at our Shizuoka headquarters factory and Tokyo office, where thorough inspections are conducted under strict quality control standards.
The technological strength that supports the trust expressed as
“Kitazato always has what is needed” and “They will create it if necessary”
is one of our unwavering strengths.