Inventor · disambiguated record
Tamotsu Ogawa
Also filed as: OGAWA TAMOTSU
8 granted patents·3 pending applications·190 citations·filing 1988–2017
88Inventor score
Top patents by PatentIndex Score
11 records- 0196US4981532ARare earth-iron-boron magnet powder and process of producing sameMITSUBISHI METAL CORP·Filed 1988·Granted Jan 1, 1991·73 cites·8 claims
- 0281US5228930ARare earth permanent magnet power, method for producing same and bonded magnetMITSUBISHI MATERIALS CORP·Filed 1990·Granted Jul 20, 1993·30 cites·14 claims
- 0372US5110374ARare earth-iron-boron magnet powder and process of producing sameMITSUBISHI MATERIALS CORP·Filed 1990·Granted May 5, 1992·27 cites·12 claims
- 0461US5338371ARare earth permanent magnet powder, method for producing same and bonded magnetMITSUBISHI METAL CORP·Filed 1992·Granted Aug 16, 1994·17 cites·10 claims
- 0559US5250206ARare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefromMITSUBISHI MATERIALS CORP·Filed 1991·Granted Oct 5, 1993·18 cites·17 claims
- 0656US5417773AMethod for producing rare earth alloy magnet powderMITSUBISHI MATERIALS CORP·Filed 1994·Granted May 23, 1995·14 cites·2 claims
- 0750US5395462AAnisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnetMITSUBISHI MATERIALS CORP·Filed 1993·Granted Mar 7, 1995·11 cites·10 claims
- 0841US10234374B2Method for selecting boundary sample, apparatus for selecting boundary sample, storage medium, and system for selecting boundary sampleTOKYO ELECTRIC POWER CO HOLDINGS INC·Filed 2017·Granted Mar 19, 2019·0 cites·4 claims
- 0938US2017182519A1Method for manufacturing regenerated productTOKYO ELECTRIC POWER CO HOLDINGS INC·Filed 2017·Application pending·0 cites
- 1036US2017185426A1Reuse support system and methodTOKYO ELECTRIC POWER CO HOLDINGS INC·Filed 2017·Application pending·0 cites
- 1134US2017185427A1Reuse support system and methodTOKYO ELECTRIC POWER CO HOLDINGS INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →