Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040488 | Building apparatus and building method | Kunio Hakkaku, Yoshihiro Tanaka | 2021-06-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040488 | Building apparatus and building method | Kunio Hakkaku, Yoshihiro Tanaka | 2021-06-22 |