Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031839 | Data communication system and communication terminal equipment | Shoichi Hirata, Ichiro Okajima, Noriko Uchida | 2000-02-29 |
| 5963550 | Packet transfer scheme and mobile communication system | Shoichi Hirata, Kimio Ikeda, Kazuo Sugiyama, Atsushi Shimokawa, Koji Yamamoto +1 more | 1999-10-05 |
| 5884165 | Mobile communication systems sharing a control channel | Noriko Uchida, Akihiro Maebara, Katsumi Kobayashi, Koji Yamamoto, Syoichi Hirata +2 more | 1999-03-16 |