Akira Manabe
24Patents
7h-index
48Co-inventors
69Inventor score
Filing activity: Jun 12, 1985 → Aug 6, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4734968A | Method for making a valve-seat insert for internal combustion engines | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4671491A | Valve-seat insert for internal combustion engines and its production | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7132164B2 | Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording medium | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7381482B2 | Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording medium | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6613120B2 | Hard particles, wear resistant iron-based sintered alloy, method of producing wear resistant iron-based sintered alloy, valve seat, and cylinder head | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6248292A | Overlay welding alloy and engine valve overlayed therewith | Chemistry; Metallurgy | 9 | Expired |
| US5512080A | Fe-based alloy powder adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same | Chemistry; Metallurgy | 7 | Expired |
| US5489324A | Fe-based sintered alloy having wear resistance | Chemistry; Metallurgy | 7 | Expired |
| US4857695A | Solder and soldering method for sintered metal parts | Performing Operations; Transporting | 6 | Expired |
| US5503654A | Fe-based alloy powder and adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same | Chemistry; Metallurgy | 4 | Expired |
| US5412970A | Guiding method for steel materials to be rolled and roller guide system therefor | Performing Operations; Transporting | 2 | Expired |
| US10351935B2 | Magnetic compound and method of producing the same | Electricity | 1 | Active |
| US10468165B2 | Rare-earth magnet and method for manufacturing same | Electricity | 1 | Active |
| US7134478B2 | Method of die casting spheroidal graphite cast iron | Chemistry; Metallurgy | 1 | Expired |
| US10464132B2 | Permanent magnet source powder fabrication method, permanent magnet fabrication method, and permanent magnet raw material powder inspection method | Electricity | 1 | Active |
| US9111679B2 | Method producing rare earth magnet | Chemistry; Metallurgy | 0 | Active |
| US10199145B2 | Rare-earth magnet and method for producing the same | Electricity | 0 | Active |
| US10937577B2 | Magnetic compound and production method thereof | Electricity | 0 | Active |
| US10748684B2 | Rare-earth magnet and method for manufacturing same | Electricity | 0 | Active |
| US5761592A | Process for producing a sliding member and a process for producing a composite layer member | Performing Operations; Transporting | 0 | Expired |
| US9070508B2 | Method producing rare earth magnet | General | 0 | Revoked |
| US8883329B2 | Hexagonal ferrite magnetic powder and method of manufacturing the same, and magnetic recording medium and method of manufacturing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US9905362B2 | Rare-earth magnet production method | Electricity | 0 | Active |
| US10424426B2 | Rare-earth magnet and method for manufacturing same | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.