Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895710 | Hinge device | Hisamitsu Takagi, Kei Tsuruoka, Ryo Niimi | 2011-03-01 |
| 7251859 | Hinge device | Kazuyoshi Oshima, Katsuya Imai | 2007-08-07 |
| 7059018 | Hinge with catch | Kazuyoshi Oshima | 2006-06-13 |
| 6990711 | Hinge device and cell phone | Kazuyuki Ishigaya | 2006-01-31 |
| 6904644 | Hinge assembly | Kazuyoshi Oshima, Katsuya Imai | 2005-06-14 |
| 6832411 | Hinge device | Akira Sasaki, Hiroshi Sudo | 2004-12-21 |
| 6785936 | Hinge device | — | 2004-09-07 |
| 6772481 | Hinge assembly | Kazuyoshi Oshima, Katsuya Imai | 2004-08-10 |
| 6704418 | Hinge device | — | 2004-03-09 |
| 6543088 | Hinge assembly | — | 2003-04-08 |
| 5937479 | Hinge | Kazuyoshi Ohshima | 1999-08-17 |