Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271776 | Reader apparatus and control method with cancelation circuit | Sadatoshi Oishi | 2025-04-08 |
| 12021556 | Communication device | — | 2024-06-25 |
| 11695446 | Communication apparatus | — | 2023-07-04 |
| 11196886 | Image processing device, method for determining sheet orientation, and sheet | — | 2021-12-07 |
| 9402115 | Monitoring system, notification apparatus and monitoring method | Shinji Saegusa, Hiroshi Hashidume | 2016-07-26 |
| 8436782 | Communication antenna device | Tomonori Sugiyama, Masakazu Kato, Sadatoshi Oishi, Jun Yaginuma, Sunao Tsuchida | 2013-05-07 |
| 8078214 | Wireless communication system with wireless base station and leaky transmission lines | Jun Yaginuma, Tomonori Sugiyama | 2011-12-13 |
| 7499672 | Wireless communication system | — | 2009-03-03 |
| 7302228 | Wireless communication system | — | 2007-11-27 |
| 6776333 | Customer management system | — | 2004-08-17 |
| 6762674 | Electronic shelf label system | — | 2004-07-13 |
| 6390364 | Commodity sale registration system | — | 2002-05-21 |
| 5341402 | Automatic frequency control method and device for use in receiver | Masaaki Makino | 1994-08-23 |