Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939086 | Metal sheet pile | Kenji Nishiumi, Shinji Taenaka, Masataka Tatsuta, Kazuhiko Eda, Humitaka Maeda | 2005-09-06 |
| 6926470 | Metal sheet pile | Shinji Taenaka, Kenji Nishiumi, Masataka Tatsuta, Humitaka Maeda, Kazuhiko Eda | 2005-08-09 |