Variable mode plasma chamber utilizing tunable plasma potential
US-12562342-B2 · Feb 24, 2026 · US
Ma Shawming is listed as an inventor on 68 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ma Shawming |
| Total patents | 68 |
| First publication | Jul 20, 2017 |
| Latest publication | Feb 24, 2026 |
Publications ranked by popularity score, then publication date.
US-12562342-B2 · Feb 24, 2026 · US
US-12347677-B2 · Jul 1, 2025 · US
US-2025062133-A1 · Feb 20, 2025 · US
US-12159789-B2 · Dec 3, 2024 · US
US-12119216-B2 · Oct 15, 2024 · US
US-2024297019-A1 · Sep 5, 2024 · US
US-12002652-B2 · Jun 4, 2024 · US
US-2024071754-A1 · Feb 29, 2024 · US
US-11848204-B2 · Dec 19, 2023 · US
US-2023352294-A1 · Nov 2, 2023 · US
Latest publications not already listed above.
US-11791181-B2 · Oct 17, 2023 · US
US-11764072-B2 · Sep 19, 2023 · US
US-11721539-B2 · Aug 8, 2023 · US
US-11508560-B2 · Nov 22, 2022 · US
US-2022310359-A1 · Sep 29, 2022 · US
US-2022223405-A1 · Jul 14, 2022 · US
US-11348767-B2 · May 31, 2022 · US
US-11348784-B2 · May 31, 2022 · US
US-2022165561-A1 · May 26, 2022 · US
US-11289323-B2 · Mar 29, 2022 · US
US-2022084792-A1 · Mar 17, 2022 · US
US-11264249-B2 · Mar 1, 2022 · US
US-2021398775-A1 · Dec 23, 2021 · US
US-11201036-B2 · Dec 14, 2021 · US
US-11189464-B2 · Nov 30, 2021 · US
US-2021343506-A1 · Nov 4, 2021 · US
US-2021343541-A1 · Nov 4, 2021 · US
US-2021307151-A1 · Sep 30, 2021 · US
US-2021257196-A1 · Aug 19, 2021 · US
US-11062912-B2 · Jul 13, 2021 · US
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mattson Tech Inc | 68 |
| Beijing E Town Semiconductor Tech Co Ltd | 51 |
| Beijing E Town Semiconductor Co Ltd | 1 |
| Beijing E-Town Semiconductor Technology Co Ltd | 1 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H01J37/321 | 28 |
| H01J37/32449 | 25 |
| H01J37/32357 | 24 |
| H01J37/32715 | 23 |
| H01J37/32422 | 23 |