Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8671641 | Half precast slab and method for structuring half precast slab | Takeo Takakura, Satoru Tanaka, Yumi TANAKA, Toshiaki Kato, Nobuyuki Kawabata | 2014-03-18 |
| 8375676 | Half precast slab and method for structuring half precast slab | Takeo Takakura, Satoru Tanaka, Yumi TANAKA, Toshiaki Kato, Nobuyuki Kawabata | 2013-02-19 |