Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400455 | Metal roofing member, production method thereof, roofing structure and roofing method | Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita | 2019-09-03 |
| 10233645 | Metal roofing member, and roofing structure and roofing method using same | Keiji Izumi, Yuugo Oota, Tomoyuki Nagatsu, Norimasa Miura, Katsunari Norita | 2019-03-19 |