Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287650 | Structured medium for the cultivation of greenery and a waterproofing system to facilitate the installation of said medium on buildings | Seiichiro Ishihara, Masatosi Kubo, Akira Tsubota, Takeshi Nakai | 1994-02-22 |