Inventor
Michiaki Hagiwara
Inventor
Kyoto, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys28%
B22DCasting of metals21%
H01FMagnets17%
Y10TTechnical subjects covered by former us classification14%
B22FWorking metallic powder7%
B01DSeparation3%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids3%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling3%
C21DModifying the physical structure of ferrous metals3%
PatentTitleYear
5,183,515'Fibrous anisotropic permanent magnet and production process thereof'19935,135,585'Fibrous anisotropic permanent magnet and production process thereof'19924,806,179'Fine amorphous metal wire'19894,781,771'Amorphous Co-based metal filaments and process for production of the same'19884,735,864'Amorphous metal filaments and process for producing same'19884,614,221'Method of manufacturing thin metal wire'19864,607,683'Method of manufacturing thin metal wire'19864,584,034'Iron-base amorphous alloys having improved fatigue and toughness characteristics'19864,527,614'Amorphous Co-based metal filaments and process for production of the same'19854,523,626'Amorphous metal filaments and process for producing the same'19854,495,691'Process for the production of fine amorphous metallic wires'19854,495,074'Method and apparatus for filtration using ferromagnetic metal fibers'19854,473,401'Amorphous iron-based alloy excelling in fatigue property'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1993Patents assigned to UNITIKA LTD (13)· patent assignee history
1984–1988Patents assigned to MASUMOTO TSUYOSHI (7)· patent assignee history
1984–1993Based in Kyoto, JP· patent location history
1992–1993Patents assigned to MITSUBISHI CHEM IND (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNITIKA LTD | 13 | 1984–1993 |
| MASUMOTO TSUYOSHI | 7 | 1984–1988 |
| MITSUBISHI CHEM IND | 2 | 1992–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 13 | 1984–1993 |