Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771992 | Portable telephone | Masashi Tomura, Kenji Tajima | 2004-08-03 |
| 5636275 | Hinge mechanism and foldable portable telephone having the hinge mechanism | Hisamitsu Takagi, Takahiro Agai, Shigeru Takahashi, Yosiaki Kato | 1997-06-03 |
| 5256955 | Household and onboard vehicle power outlet-based battery charger for portable telephone | Masashi Tomura | 1993-10-26 |