Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745533 | Building and construction method therefor | Toshio Yamashita, Yoshimasa Tsuchiya, Kazuyuki Nakamura, Kiyoshi Nakamura, Kenji Sekiguchi +6 more | 2004-06-08 |
| 5119598 | Method of construction of top slab for a nuclear containment building | Akinori Tajiri, Tadao Suzuki, Kouichi Ushiroda, Hideyasu Furukawa, Kenji Sekiguchi +2 more | 1992-06-09 |