Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978812 | Electromagnetic wave shielding transparent body | Kazuyuki Akeyoshi, Takeshi Matsumoto, Satoru Harada, Masatake Nakamura | 1990-12-18 |
| 4932180 | Electromagnetically shielded partition wall structure | Takeshi Takahashi, Masatake Nakamura, Yoshiji Yabana | 1990-06-12 |
| 4894489 | Electromagnetic shield-type doorway for buildings and electromagnetic shielding system therefor | Takeshi Takahashi, Masatake Nakamura, Yoshiji Yabana, Koji Nagata | 1990-01-16 |
| 4814694 | System for detecting and processing abnormality in electromagnetic shielding of intelligent buildings | Takeshi Takahashi, Masatake Nakamura, Yoshiji Yabana, Koji Nagata | 1989-03-21 |
| 4810961 | Radio wave leakage diagnosing system for intelligent building | Takeshi Takahashi, Masatake Nakamura, Yoshiji Yabana, Koji Nagata | 1989-03-07 |
| 4758686 | Electromagnetic shield structure for building windows | Takeshi Takahashi, Masatake Nakamura, Yoshiji Yabana, Koji Nagata | 1988-07-19 |