Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101605 | Domed structures having retractable roofs | Joe Masuyama, Koji Mikuriya, Tsuneo Takai, Shinji Chiba, Kiyoshi Hotta +4 more | 1992-04-07 |
| 5058332 | Domed structures having retractable roofs | Joe Masuyama, Koji Mikuriya, Tsuneo Takai, Shinji Chiba, Kiyoshi Hotta +4 more | 1991-10-22 |