Inventor
Masayasu Senda
Inventor
Okayama, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f25%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds25%
H01FMagnets25%
B02CCrushing, pulverising, or disintegrating in general8%
C04BLime, magnesia8%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties4%
C22CAlloys4%
PatentTitleYear
10,672,543Ferrite powder for bonded magnets, method for producing the same and ferrite bonded magnet202010,665,371Ferrite powder for bonded magnets, method for producing the same and ferrite bonded magnet202010,453,596Ferrite powder for bonded magnets, method for producing the same and ferrite bonded magnet20197,390,424'Ferrite magnetic powder and method for production thereof'20087,384,571'Ferrite magnet powder bond magnet'20087,255,807'Bond magnet and ferrite magnetic powder for bond magnet'20075,183,630'Process for production of permanent magnet alloy having improved resistence to oxidation'19935,147,473'Permanent magnet alloy having improved resistance to oxidation and process for production thereof'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1993Patents assigned to DOWA MINING CO (2)· patent assignee history
1992–1993Based in Tokyo, JP· patent location history
2007–2008Patents assigned to NIPPON BENGARA KOGYO CO LTD (3)· patent assignee history
2007–2020Based in Okayama, JP· patent location history
2008–2020Patents assigned to DOWA ELECTRONICS MATERIALS CO LTD (5)· patent assignee history
2019–2020Patents assigned to DOWA F TEC CO LTD (3)· patent assignee history
2019–2020Based in Kume-gun, JP· patent location history
2020Patents assigned to DOW A ELECTRONICS MAT CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOWA ELECTRONICS MATERIALS CO LTD | 5 | 2008–2020 |
| DOWA F TEC CO LTD | 3 | 2019–2020 |
| NIPPON BENGARA KOGYO CO LTD | 3 | 2007–2008 |
| DOWA MINING CO | 2 | 1992–1993 |
| DOW A ELECTRONICS MAT CO LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Okayama, JP | 4 | 2007–2020 |
| Kume-gun, JP | 2 | 2019–2020 |
| Tokyo, JP | 2 | 1992–1993 |