Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578009 | Marketing strategy support system for business customer sales and territory sales information | — | 2003-06-10 |
| 6014544 | Loop detector of a branching device for a multiplexed audio-video signal transmission system | Seiichi Kubo | 2000-01-11 |
| 5778303 | Multiplexed audio-video signal transmission system through pair-wire | Seiichi Kubo | 1998-07-07 |