StemRIM, a biotechnology company, develops regeneration medicines for the treatment of intractable diseases. It develops PJ1, a regeneration induction medicine HMGB1 peptides, which is in Phase II clinical trials for the treatment of epidermolysis bullosa, cerebral infarction, osteoarthritis, and chronic liver disease, as well as cardiomyopathy; PJ2, a regeneration-inducing medicine novel peptides A and B; PJ3, a biologic regeneration-inducing protein; PJ4, an autologous cell sampling device for medical treatment; and PJ5, a stem cell gene therapy. StemRIM was incorporated in 2006 and is based in Ibaraki, Japan.