Inventor
YOSHINORI FUJIKAWA
Inventor
JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets42%
C22CAlloys33%
B22FWorking metallic powder17%
C01GCompounds containing metals not covered by subclasses c01d or c01f8%
PatentTitleYear
12,548,700R-T-B-based permanent magnet and method for producing same, motor, and automobile202612,412,687Rare-earth-based magnet powder, bonded magnet, bonded magnet compound, sintered magnet, method of manufacturing rare-earth-based magnet powder, and method of manufacturing rare-earth based permanent magnet202511,657,934R-T-B based permanent magnet202311,361,888Samarium-iron-nitrogen magnet powder and method for manufacturing same202211,152,142R-T-B based permanent magnet2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to TDK CORP (5)· patent assignee history
2021–2026Based in JP· patent location history
2022Patents assigned to AIST (1)· patent assignee history
2022Patents assigned to ENOKIDO YASUSHI (1)· patent assignee history
2022Patents assigned to FUJIKAWA YOSHINORI (1)· patent assignee history
2022Patents assigned to HASHIMOTO RYUJI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 5 | 2021–2026 |
| AIST | 1 | 2022 |
| ENOKIDO YASUSHI | 1 | 2022 |
| FUJIKAWA YOSHINORIself | 1 | 2022 |
| HASHIMOTO RYUJI | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 5 | 2021–2026 |