Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623533 | Mobile communication end device with low power operation mode | Takafumi Kikuchi, Yuji Hatano, Koichi Seki, Masanori Otsuka, Masao Hotta | 1997-04-22 |
| 5613005 | Cipher communication method and device | Kazuhito Ito | 1997-03-18 |