Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12042877 | Welding management system | Ryoji Nakagawa, Hisashi Endou, Hiroshi Yoshikawa, Toshihiro Yamada, Nobuhiro KAKENO | 2024-07-23 |
| 7942322 | Work instruction management system, work instruction management method, work instruction management apparatus and electronic paper | Takeo Koishi, Yoshiyuki Ogawa | 2011-05-17 |