Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357001 | Plug locking device | Keiji Kahara | 2013-01-22 |
| 8330571 | Vehicle electronic key system | Jun Yamaguchi, Takumi Tamezane, Yoshiyuki Seki | 2012-12-11 |
| 8251734 | Locking device for power feeding plug | Keiji Kahara, Takahiro Hirashita | 2012-08-28 |
| 8237542 | Key system | — | 2012-08-07 |
| 8206172 | Plug lock structure | Keiji Kahara | 2012-06-26 |
| 8193906 | Mechanical key code verification system | Yoshiyuki Seki, Tamotsu Tsuchida | 2012-06-05 |
| 8146393 | Vehicle door handle device | Yoshiyuki Seki | 2012-04-03 |
| 8011214 | Valet key storage device | Yoshiyuki Seki | 2011-09-06 |
| 8001817 | Mechanical key and locking/unlocking key | Jun Yamaguchi, Noriyasu Shamoto | 2011-08-23 |
| 7956741 | Tumbler type lock apparatus | Takumi Tamezane | 2011-06-07 |
| 7954347 | Mechanical key code verification system | Takumi Tamezane | 2011-06-07 |
| 7930916 | Locking device and key | Takumi Tamezane | 2011-04-26 |
| 7930915 | Valet key storage device | — | 2011-04-26 |
| 7930917 | Lock device | Takumi Tamezane | 2011-04-26 |
| 7895868 | Cylinder lock and unlocking device comprising thereof | Jun Yamaguchi | 2011-03-01 |
| 7823427 | Cylinder lock device | — | 2010-11-02 |
| 7770424 | Cylinder lock device | Takumi Tamezane | 2010-08-10 |
| 7716960 | Lock device | Takumi Tamezane | 2010-05-18 |
| 7698920 | Mechanical key and locking/unlocking key | Jun Yamaguchi, Noriyasu Shamoto | 2010-04-20 |
| 7690233 | Portable device and mechanical key | Takumi Tamezane, Katsushi Miwa, Jun Yamaguchi, Hironori MIZUNO, Makoto Yamamoto +1 more | 2010-04-06 |
| 7484392 | Cylinder lock and key | — | 2009-02-03 |
| 7472570 | Key cylinder | Jun Yamaguchi | 2009-01-06 |
| 7119663 | Remote control key for preventing theft of transponder and method for manufacturing the same | Yoshihiro Kawai | 2006-10-10 |
| 6837083 | Key cylinder and method for assembling a key cylinder | Naokatsu Okamura, Yoshinobu Oyabu | 2005-01-04 |
| 6188140 | Immobilizer system-mounting vehicle and member used for the immobilizer system | Shozo Kito, Yoshinobu Ohyabu, Yoshihiro Katahira, Yoshiyuki Shindo, Masahiro Takita +1 more | 2001-02-13 |