Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302351 | Vibration damper | Yoshimitsu Ohashi, Manabu Hattori, Eiji Koutani | 2012-11-06 |
| 5479745 | Floor panel support leg and double floor | Fumihiro Oyama, Mikio Yamagishi | 1996-01-02 |
| 5398466 | Stanchion unit assembly for floor boards | Fumihiro Oyama, Koji Marui | 1995-03-21 |
| 5301480 | Stanchion unit assembly for floor boards | Fumihiro Oyama, Koji Marui | 1994-04-12 |