G06F 2213/4004
Universal serial bus hub with a plurality of upstream ports
G06F2213/4004 (Universal serial bus hub with a plurality of upstream ports) appears on 70 US grants and 80 published applications in this corpus.
Search patents in G06F- Granted patents
- 70
- Published applications
- 80
- Assignees
- 48
- Inventors
- 147
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 3 | 7 |
| 2015 | 4 | 13 |
| 2016 | 5 | 3 |
| 2017 | 8 | 10 |
| 2018 | 6 | 8 |
| 2019 | 12 | 6 |
| 2020 | 8 | 6 |
| 2021 | 7 | 6 |
| 2022 | 2 | 3 |
| 2023 | 4 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display apparatus and peripheral device signal switching method21 Jul 2026US 12,688,137 B2Sharp Kabushiki Kaisha
- Flexible mobile device connectivity to automotive systems with USB hubs10 Feb 2026US 12,547,569 B2Aptiv Technologies AG
- Hub with audio signal sharing10 Dec 2024US 12,164,453 B2Magic Control Technology Corporation
- Routing and converting traffic based on communication protocols6 Feb 2024US 11,892,965 B2Hewlett-Packard Development Company, L. P.
- Flexible mobile device connectivity to automotive systems with USB hubs20 Jun 2023US 11,681,643 B2Aptiv Technologies AG
- Communication between target-side data interface device and host-side data interface device1 Oct 2026US 2026/0300209 A1QUALCOMM Incorporated
- Host bridge device14 May 2026US 2026/0133926 A1Pixart Imaging Inc.
- CB Echo Link26 Feb 2026US 2026/0056910 A1
- Method for dynamic usb signal routing in a dual-port usb device15 May 2025US 2025/0156355 A1Aptiv Technologies AG
- Projection system and control method8 May 2025US 2025/0150561 A1Coretronic Corporation
Most cited
By later US patents
- Interface switching apparatus and switching control method92US 6,308,239 B1Hitachi, Ltd. · 2001
- Apparatus using a parallel interface for data transfer between a plurality of computers, as well as for transfer of data from computers to shared peripheral devices66US 5,638,521 ALeunig GmbH · 1997
- Method and apparatus for securing and segregating host to host messaging on PCIe fabric62US 8,880,771 B2PLX Technology, Inc. · 2014
- Universal serial bus smart hub62US 9,804,977 B2Microchip Technology Incorporated · 2017
- Selectively coupling an upstream terminal to a USB hub circuit in accordance with a video sync signal43US 6,532,512 B1Matsushita Electric Industrial Co., Ltd. · 2003