Inventor
Yasutaka Fukuda
Inventor
Chiba, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets38%
Y10TTechnical subjects covered by former us classification25%
C22CAlloys19%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
G11BInformation storage based on relative movement between record carrier and transducer6%
PatentTitleYear
6,903,645'Surface mounting type planar magnetic device and production method thereof'20056,831,543'Surface mounting type planar magnetic device and production method thereof'20046,383,626'Magnetic ferrite film for magnetic devices'20025,447,578'Corrosion-resistant rare earth metal-transition metal series magnets and method of producing the same'19955,437,741'Corrosion-resistant rare earth metal-transition metal-boron permanent magnets'19955,015,307'Corrosion resistant rare earth metal magnet'19914,698,251'Magnetic recording medium and method of producing the same'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to VICTOR COMPANY OF JAPAN (1)· patent assignee history
1987Based in Sagamihara, JP· patent location history
1991–1995Patents assigned to KAWASAKI STEEL CO (3)· patent assignee history
1991–2005Based in Chiba, JP· patent location history
2002–2004Patents assigned to KAWATETSU MINING (2)· patent assignee history
2002Based in Chiyoda-ku, JP· patent location history
2004–2005Patents assigned to TOSHIBA KK (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAWASAKI STEEL CO | 3 | 1991–1995 |
| KAWATETSU MINING | 2 | 2002–2004 |
| TOSHIBA KK | 2 | 2004–2005 |
| VICTOR COMPANY OF JAPAN | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 5 | 1991–2005 |
| Chiyoda-ku, JP | 1 | 2002 |
| Sagamihara, JP | 1 | 1987 |