Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956467 | Composite steel part and manufacturing method for the same | Koji Obayashi, Ryuta Sugiyama, Ken Shimizu, Koichi Kato | 2015-02-17 |
| 4697984 | Supporting structure for underwater structure | Sadao Nemoto, Shizuo Suzuki, Juichiro Kawai | 1987-10-06 |