Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765959 | Communication method of contactless ID card and integrated circuit used in communication method | Satoshi Tanaka, Kenji Nagai, Katsuhiro Furukawa | 2004-07-20 |
| 6731602 | Packet communication system and packet communication apparatus | Koji Watanabe | 2004-05-04 |
| 6731905 | Fixed wireless access system and apparatus therefor | Atsushi Ogino, Hideya Suzuki, Nobukazu Doi | 2004-05-04 |
| 6704547 | Wireless communication base station transmission timing offset correction system | Mikio Kuwahara, Nobukazu Doi | 2004-03-09 |
| 6675007 | Charging method and terminal equipment in the information and communication network system | Tsuyoshi Tamaki, Masaaki Shida, Nobukazu Doi, Kazuko Hamaguchi | 2004-01-06 |