Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889958 | Building with electromagnetic shield structure for individual floors | Takeshi Takahashi, Masatake Nakamura, Yoshiji Yabana, Koji Nagata | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889958 | Building with electromagnetic shield structure for individual floors | Takeshi Takahashi, Masatake Nakamura, Yoshiji Yabana, Koji Nagata | 1989-12-26 |