Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6694480 | Receiving apparatus, receiving method, transmission system and transmission method | Hirohumi Nakayama | 2004-02-17 |
| 6587681 | Mail reception notifying system and mail reception notifying method | — | 2003-07-01 |
| 6122765 | Receiving apparatus, receiving method, transmission system and transmission method | Hirohumi Nakayama | 2000-09-19 |
| 5802471 | Mobile communication system, automatic call receiving method, and mobile station | Kunio Yoshikawa, Yukiya Miyasita | 1998-09-01 |