Inventor
Yoshihiko Minachi
Inventor
Tokyo, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia28%
H01FMagnets27%
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds11%
G11BInformation storage based on relative movement between record carrier and transducer6%
H02KDynamo-electric machines5%
B22FWorking metallic powder4%
Y10TTechnical subjects covered by former us classification4%
C22CAlloys2%
B28BShaping clay or other ceramic compositions1%
PatentTitleYear
9,627,112'Sintered ferrite magnet and motor provided therewith'20179,589,713'Sintered ferrite magnet and motor provided therewith'20179,336,933'Ferrite magnetic material'20169,305,689'Injection molding composition and producing method thereof'20169,272,955'Ferrite magnetic material'20169,202,613'Ferrite magnetic material, ferrite magnet, and ferrite sintered magnet'20158,986,568'Sintered magnet and method for producing the sintered magnet'20158,980,116'Ferrite sintered magnet'20158,834,738'Ferrite magnetic material'20148,835,001'Ferrite sintered magnet, motor, and method for producing the ferrite sintered magnet'20148,765,860'Injection molding composition and producing method thereof'20148,591,760'Ferrite magnetic material, ferrite magnet, and ferrite sintered magnet'20138,033,314'Method for producing sintered magnet'20117,919,007'Ferrite magnetic material'20117,879,469'Ferrite magnet powder, sintered magnet, bond magnet, and magnetic recording medium'20117,713,433'Ferrite magnetic material and ferrite sintered magnet'20107,481,947'Ferrite magnetic material and ferrite sintered magnet'20097,425,280'Ferrite magnetic material and process for producing the same'20086,402,980'Oxide magnetic material, ferrite particles, bonded magnet, sintered magnet, process for producing the same, and magnetic recording medium'20026,258,290'Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium'20016,248,253'Hexagonal ferrite magnets'20016,139,766'Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor'20006,086,781'Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium'20005,951,937'Preparation of oxide magnetic material'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2017Patents assigned to TDK CORP (24)· patent assignee history
1999–2001Based in Chiba, JP· patent location history
2000–2002Based in Shizuoka, JP· patent location history
2008–2017Based in Tokyo, JP· patent location history
2011–2016Based in Makinohara-shi, JP· patent location history
2013–2016Patents assigned to MINACHI YOSHIHIKO (8)· patent assignee history
2013–2016Patents assigned to MORI TAKAHIRO (5)· patent assignee history
2013–2016Patents assigned to MORITA HIROYUKI (4)· patent assignee history
2014–2016Patents assigned to GOTOH MASASHI (2)· patent assignee history
2014–2016Based in Chuo-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 24 | 1999–2017 |
| MINACHI YOSHIHIKOself | 8 | 2013–2016 |
| MORI TAKAHIRO | 5 | 2013–2016 |
| MORITA HIROYUKI | 4 | 2013–2016 |
| GOTOH MASASHI | 2 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 2008–2017 |
| Chuo-ku, JP | 3 | 2014–2016 |
| Shizuoka, JP | 3 | 2000–2002 |
| Chiba, JP | 3 | 1999–2001 |
| Makinohara-shi, JP | 2 | 2011–2016 |