Yamakaji Masaki is listed as an inventor on 81 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yamakaji Masaki |
| Total patents | 81 |
| First publication | Mar 31, 2015 |
| Latest publication | Aug 7, 2025 |
Publications ranked by popularity score, then publication date.
US-2025253345-A1 · Aug 7, 2025 · US
US-2025253344-A1 · Aug 7, 2025 · US
US-2025246633-A1 · Jul 31, 2025 · US
US-2025118802-A1 · Apr 10, 2025 · US
US-12176485-B2 · Dec 24, 2024 · US
US-2024356027-A1 · Oct 24, 2024 · US
US-2024356067-A1 · Oct 24, 2024 · US
US-2024347696-A1 · Oct 17, 2024 · US
US-12027702-B2 · Jul 2, 2024 · US
US-11962013-B2 · Apr 16, 2024 · US
Latest publications not already listed above.
US-2024038966-A1 · Feb 1, 2024 · US
US-11888113-B2 · Jan 30, 2024 · US
US-2023327207-A1 · Oct 12, 2023 · US
US-2023178813-A1 · Jun 8, 2023 · US
US-11670807-B2 · Jun 6, 2023 · US
US-2023041532-A1 · Feb 9, 2023 · US
US-2023028401-A1 · Jan 26, 2023 · US
US-11515517-B2 · Nov 29, 2022 · US
US-11495826-B2 · Nov 8, 2022 · US
US-11437622-B2 · Sep 6, 2022 · US
US-2022115668-A1 · Apr 14, 2022 · US
US-2022059824-A1 · Feb 24, 2022 · US
US-2021408593-A1 · Dec 30, 2021 · US
US-11121405-B2 · Sep 14, 2021 · US
US-11108038-B2 · Aug 31, 2021 · US
US-2021210794-A1 · Jul 8, 2021 · US
US-2021202945-A1 · Jul 1, 2021 · US
US-2021175507-A1 · Jun 10, 2021 · US
US-2021151758-A1 · May 20, 2021 · US
US-10944110-B2 · Mar 9, 2021 · US
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Semiconductor Energy Lab | 79 |
| Yamakaji Masaki | 5 |
| Kawakami Takahiro | 3 |
| Gs Yuasa Int Ltd | 2 |
| Motoyoshi Mako | 2 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 75 |
| H01M4/625 | 46 |
| Y02P70/50 | 44 |
| H01M10/052 | 43 |
| H01M10/0525 | 40 |