Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12141723 | Site management system | Hiroshi Watanabe, Seiya Kato, Eiji Egawa, Tsuyoshi Fujita | 2024-11-12 |
| 11475388 | Work management system | Isao Karube, Hidehiro Iizuka, Ryota Niizeki, Kunitsugu Tomita, Hiroshi Watanabe +1 more | 2022-10-18 |