Inventor
Akira Fukuno
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets50%
B22DCasting of metals13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
B22FWorking metallic powder6%
C22CAlloys6%
PatentTitleYear
7,465,363'Hard magnetic composition, permanent magnet powder, method for permanent magnet powder, and bonded magnet'20087,314,531'R-T-B system rare earth permanent magnet'20087,311,788'R-T-B system rare earth permanent magnet'20077,255,752'Method for manufacturing R-T-B system rare earth permanent magnet'20077,255,751'Method for manufacturing R-T-B system rare earth permanent magnet'20077,192,493'R-T-B system rare earth permanent magnet and compound for magnet'20076,833,036'Rare earth permanent magnet'20046,811,620'R-T-B system rare earth permanent magnet'20045,993,939'Method for preparing permanent magnet material, chill roll, permanent magnet material, and permanent magnet material powder'19995,916,376'Preparation of magnet'19995,834,663'Sintered magnet and method for making'19985,750,044'Magnet and bonded magnet'19985,665,177'Method for preparing permanent magnet material, chill roll, permanent magnet material, and permanent magnet material powder'19975,641,363'Sintered magnet and method for making'19975,309,977'Permanent magnet material and method for making'19945,209,789'Permanent magnet material and method for making'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2008Patents assigned to TDK CORP (16)· patent assignee history
1993–1999Based in Chiba, JP· patent location history
2004–2008Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 16 | 1993–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 2004–2008 |
| Chiba, JP | 8 | 1993–1999 |