Inventor
Hatsuo Matsumoto
Inventor
Sendai, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets78%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
7,427,909'Coil component and fabrication method of the same'20086,995,643'Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil'20066,856,231'Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil'20056,778,056'Inductance component having a permanent magnet in the vicinity of a magnetic gap'20046,710,693'Inductor component containing permanent magnet for magnetic bias and method of manufacturing the same'20046,621,398'Magnetic core comprising a bond magnet including magnetic powder whose particle\'s surface is coated with oxidation-resistant metal'20036,611,187'Magnetic core, coil assembly and power supply circuit using the same'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2008Patents assigned to NEC TOKIN CORP (6)· patent assignee history
2003–2008Based in Sendai, JP· patent location history
2005Patents assigned to NEC TOKIN CORPORATON (1)· patent assignee history
2008Patents assigned to DENSO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC TOKIN CORP | 6 | 2003–2008 |
| DENSO CORP | 1 | 2008 |
| NEC TOKIN CORPORATON | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sendai, JP | 7 | 2003–2008 |