Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8976811 | Communication apparatus, communication system and communication method | — | 2015-03-10 |
| 8188922 | Position information acquisition device, computer readable storage medium storing position information acquisition program and position information acquisition system | Tatsuzo Osawa, Ryuzo Akagi | 2012-05-29 |
| 5606557 | Bus load distributing method suitable for data communications equipment and bus switching control device for data communications equipment | Toshihiro Ishida, Osamu Sekihata | 1997-02-25 |
| 5550807 | Method of measuring distance between equipments on lan and distance measuring apparatus | — | 1996-08-27 |