Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709330 | System for supervising and guiding persons in construction | Takashi Isozaki, Ryuta YAMAMOTO, Toshiyuki Kawaguchi | 1987-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709330 | System for supervising and guiding persons in construction | Takashi Isozaki, Ryuta YAMAMOTO, Toshiyuki Kawaguchi | 1987-11-24 |