Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11955785 | Resin structure | Kei Tomita, Yukihiro Koyama | 2024-04-09 |
| 11881686 | Resin structure | Hiroaki Iida, Kei Tomita, Mamiko Kondo, Koji Makiyama | 2024-01-23 |
| 11677225 | Electric junction box and assembling method thereof | Kei Tomita, Yukihiro Koyama | 2023-06-13 |
| 11600978 | Resin structure and wire harness | Kei Tomita, Yukihiro Koyama | 2023-03-07 |
| 4788551 | Apparatus for storing an antenna for vehicle | — | 1988-11-29 |