Dual-Speaker System
US-2026082146-A1 · Mar 19, 2026 · US
Johnson Martin E is listed as an inventor on 167 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Johnson Martin E |
| Total patents | 167 |
| First publication | Jan 22, 2015 |
| Latest publication | Mar 19, 2026 |
Publications ranked by popularity score, then publication date.
US-2026082146-A1 · Mar 19, 2026 · US
US-2026052183-A1 · Feb 19, 2026 · US
US-12554333-B2 · Feb 17, 2026 · US
US-12513485-B2 · Dec 30, 2025 · US
US-2025370705-A1 · Dec 4, 2025 · US
US-12425799-B2 · Sep 23, 2025 · US
US-12413890-B2 · Sep 9, 2025 · US
US-12413922-B1 · Sep 9, 2025 · US
US-12393396-B2 · Aug 19, 2025 · US
US-12317061-B2 · May 27, 2025 · US
Latest publications not already listed above.
US-12317028-B2 · May 27, 2025 · US
US-12317057-B2 · May 27, 2025 · US
US-2025133364-A1 · Apr 24, 2025 · US
US-2025080933-A1 · Mar 6, 2025 · US
US-2025068383-A1 · Feb 27, 2025 · US
US-12192698-B2 · Jan 7, 2025 · US
US-12177643-B1 · Dec 24, 2024 · US
US-2024402987-A1 · Dec 5, 2024 · US
US-12149919-B2 · Nov 19, 2024 · US
US-12133061-B1 · Oct 29, 2024 · US
US-12131097-B2 · Oct 29, 2024 · US
US-2024357308-A1 · Oct 24, 2024 · US
US-12124770-B2 · Oct 22, 2024 · US
US-2024340615-A1 · Oct 10, 2024 · US
US-12112094-B2 · Oct 8, 2024 · US
US-2024292175-A1 · Aug 29, 2024 · US
US-12061278-B1 · Aug 13, 2024 · US
US-12010494-B1 · Jun 11, 2024 · US
US-12009877-B1 · Jun 11, 2024 · US
US-12010506-B2 · Jun 11, 2024 · US
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Apple Inc | 167 |
| Johnson Martin E | 2 |
| Isaac Ronald Nadim | 1 |
| Dix Gordon R | 1 |
| Crosby Justin Derry | 1 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04S2420/01 | 59 |
| H04S7/302 | 41 |
| H04R1/403 | 39 |
| H04S2400/11 | 37 |
| H04R5/04 | 37 |