Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6625147 | Communications network control system | Ken Yokoyama, Eiichi Takahashi, Shinji Kikuchi, Tsuneo Katsuyama | 2003-09-23 |
| 6614763 | Method of and apparatus for measuring network communication performances, as well as computer readable record medium having network communication performance measuring program stored therein | Shinji Kikuchi, Tetsuya Okano | 2003-09-02 |
| 6574229 | Wide area load distribution apparatus and method | Eiichi Takahashi, Shinji Kikuchi, Tetsuya Okano | 2003-06-03 |
| 6559981 | Image reading apparatus | — | 2003-05-06 |
| 6543573 | Speaker unit, speaker system, and speaker diaphragm manufacturing method | Yoshihisa Ishihara, Satoshi Iwasaki, Hirotoshi Kakuta | 2003-04-08 |