H04L 15/06
With a restricted number of keys
Official title: with a restricted number of keys, e.g. separate key for each type of code element
H04L15/06 (With a restricted number of keys) appears on 5 US grants and 6 published applications in this corpus.
Search patents in H04L- Granted patents
- 5
- Published applications
- 6
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 3 Jul 2018
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| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 3 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
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Subgroups
Granted patents
Recent patents
- Social authentication for account recovery3 Jul 2018US 10,013,728 B2Microsoft Technology Licensing, LLC
- Mechanism to transmit text messages using ring time3 Oct 2017US 9,780,968 B2International Business Machines Corporation
- Mechanism to transmit text messages using ring time26 Sep 2017US 9,774,475 B2International Business Machines Corporation
- Mechanism to transmit text messages using ring time30 May 2017US 9,668,116 B1International Business Machines Corporation
- Social authentication for account recovery7 Oct 2014US 8,856,879 B2Microsoft Corporation
- Tactile wearable27 Jan 2022US 2022/0029653 A1
- Starting method for inputting morse code and portable electronic device thereof2 Apr 2020US 2020/0103983 A1Getac Technology Corporation
- Mechanism to transmit text messages using ring time6 Jul 2017US 2017/0195138 A1International Business Machines Corporation
- Mechanism to transmit text messages using ring time6 Jul 2017US 2017/0195139 A1International Business Machines Corporation
- Social Authentication for Account Recovery30 Oct 2014US 2014/0324722 A1Microsoft Corporation
Most cited
By later US patents
- Social authentication for account recovery32US 10,013,728 B2Microsoft Technology Licensing, LLC · 2018
- Social authentication for account recovery28US 8,856,879 B2Microsoft Corporation · 2014
- Mechanism to transmit text messages using ring time3US 9,780,968 B2International Business Machines Corporation · 2017
- Mechanism to transmit text messages using ring time2US 9,668,116 B1International Business Machines Corporation · 2017