Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391034 | Installation and construction method of wall panel | — | 2022-07-19 |
| 11319703 | Roof frame structure | Takeshi Nakagawa, Kazumi HIJIKATA, Shinji Utsunomiya, Jun MIKURIYA, Naruhiko NAKANO +1 more | 2022-05-03 |