Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638441 | Portable telephone apparatus with rotatable cover allowing enhanced option key access | Yoshihiro Hattori, Naoki Ikeda, Satoshi Shinya | 1997-06-10 |
YS
Yoshifumi Sagane
Overall (All Time): #3,717,830 of 4,157,543Top 90%
1
Patents All Time