Delivering innovative products to pioneer new markets with customers…
To this end, Sunsho Pharmaceutical continues to refine its
technologies and development / production structures.
Sunsho Pharmaceutical is the leading contract manufacturing pharmaceutical company in Japan.
We strive to be your long term and trusted partner through our culture of collaboration and quality delivery.

Our cutting-edge technology along with our team's experience collaborating with customers enables us to provide absolute quality and new value.




We leverage a variety of capsule technologies to identify the optimal solution for our customers' product development needs.


Sunsho Pharmaceutical is taking on a variety of projects and initiatives. Find out the details here.


Notice 11.06.2025 Office closure during the Winter holiday week
Notice 10.01.2025 An Autumn Message from President Imamura (October 1, 2025)
Notice 08.19.2025 Sunsho Aroma Capsules Head to Space! Aroma Enhanced Eye Masks Adopted Aboard the ISS ~ Sunsho Pharmaceutical’s Aroma Capsule Technology Heads to Space ~