Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490758 | Frictional hinge device | Masato Uneme | 2002-12-10 |
| 6385815 | Frictional hinge device | Masato Uneme | 2002-05-14 |
| 6381809 | Frictional hinge device and a portable business machine into which the frictional hinge device is incorporated | Masato Uneme | 2002-05-07 |
| 6341407 | Frictional hinge device and a portable business device having the hinge device incorporated thereinto | — | 2002-01-29 |