MK

Masamichi KAMEI

Overall (All Time): #901,383 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D1073258 Jacket 2025-05-06
12221782 Secondary drainage method at time of flooding 2025-02-11
12024918 Multiplex water cutoff wall 2024-07-02
11768879 Advice presentation system 2023-09-26
11613901 Flood-resistant building equipped with flood barrier, and renovation method 2023-03-28