Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011214 | Valet key storage device | Yoshiyuki Seki | 2011-09-06 |
| 8001817 | Mechanical key and locking/unlocking key | Jun Yamaguchi, Noriyasu Shamoto | 2011-08-23 |
| 7954347 | Mechanical key code verification system | Takumi Tamezane | 2011-06-07 |
| 7956741 | Tumbler type lock apparatus | Takumi Tamezane | 2011-06-07 |
| 7930915 | Valet key storage device | — | 2011-04-26 |
| 7930916 | Locking device and key | Takumi Tamezane | 2011-04-26 |
| 7930917 | Lock device | Takumi Tamezane | 2011-04-26 |
| 7895868 | Cylinder lock and unlocking device comprising thereof | Jun Yamaguchi | 2011-03-01 |