Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965332 | Ceiling panel | Koya Tanaka, Yoshihiro Okada | 2024-04-23 |
| 11898350 | Ceiling panel | Koya Tanaka, Yoshihiro Okada | 2024-02-13 |
| 11781318 | Ceiling panel | Koya Tanaka, Yoshihiro Okada | 2023-10-10 |
| 10295725 | Light guide member and light guide member manufacturing method | Hideki Koizumi, Takeshi Ito, Yoshio Obata, Mamoru Ishizuka | 2019-05-21 |