Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8671641 | Half precast slab and method for structuring half precast slab | Satoru Tanaka, Yumi TANAKA, Toshiaki Kato, Naoyuki Kita, Nobuyuki Kawabata | 2014-03-18 |
| 8522507 | Concrete platform production process, concrete platform, and connecting member | Naohiro Asada, Yumi TANAKA | 2013-09-03 |
| 8375676 | Half precast slab and method for structuring half precast slab | Satoru Tanaka, Yumi TANAKA, Toshiaki Kato, Naoyuki Kita, Nobuyuki Kawabata | 2013-02-19 |