Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390255 | Rotary damper | Takeaki Kobori | 2002-05-21 |
| 6213881 | Damper device | Kenji Takahashi | 2001-04-10 |
| 6121526 | Rotary damper | Takeaki Kobori | 2000-09-19 |
| 5875874 | Rotary damper with self-standing mechanism | Harunori Okabe, Kenji Takahashi, Takeaki Kobori | 1999-03-02 |
| 5769188 | Rotary damper with self-standing mechanism | Harunori Okabe, Kenji Takahashi, Takeaki Kobori | 1998-06-23 |