Mar 28, 2026 R&D Notice of Allowance of U.S. Patent for “BIOLOGICAL SAMPLE STORAGE TUBE CAP, AND BIOLOGICAL SAMPLE STORAGE CONTAINER EQUIPPED WITH SAME” Kitazato Corporation is pleased to announce that it has received a notice of allowance for the U.S. patent application “BIOLOGICAL SAMPLE STORAGE TUBE CAP, AND BIOLOGICAL SAMPLE STORAGE CONTAINER EQUIPPED WITH SAME” (U.S. Application No. 18174,893). This patent corresponds to the same invention for which we previously announced the notice of allowance of a Japanese patent on November 20, 2025.(https://www.kitazato.co.jp/en/images/sites/3/20251205173004624s.pdf) We are currently advancing the development of products utilizing this invention and establishing a mass-production system. In parallel, we are continuing to pursue patent protection in other countries. We will continue to provide regular updates on our progress. Back to News List