Inventor
NORITSUGU SAKUMA
Inventor
JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets39%
C22CAlloys32%
B22FWorking metallic powder14%
C23CCoating metallic material7%
H02KDynamo-electric machines4%
H05BElectric heating4%
PatentTitleYear
12,505,940Rare earth magnet and manufacturing method therefor202512,460,278Production method of rare earth magnet202512,217,907Rare-earth magnet and method of manufacturing the same202512,080,455Sm--Fe--N-based magnetic material and manufacturing method thereof202411,996,219Magnetic material and manufacturing method thereof202411,935,676Sm--Fe--N-based magnetic material and manufacturing method thereof202411,869,690Rare earth magnet and producing method thereof202411,721,479Rare earth magnets202311,664,140Rare earth magnet and manufacturing method therefor202311,522,420Method of producing motor core202211,476,020Rare earth magnet and production method thereof2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to TOYOTA MOTOR CO LTD (11)· patent assignee history
2022Patents assigned to UNIV TOHOKU (1)· patent assignee history
2022–2025Based in JP· patent location history
2023Patents assigned to UNIV TOKYO (1)· patent assignee history
2025Patents assigned to NICHIA CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 11 | 2022–2025 |
| NICHIA CORP | 1 | 2025 |
| UNIV TOHOKU | 1 | 2022 |
| UNIV TOKYO | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 11 | 2022–2025 |