Hitoshi Taguchi
29Patents
10h-index
29Co-inventors
75Inventor score
Filing activity: Jul 17, 1980 → May 19, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6139766A | Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor | Chemistry; Metallurgy | 50 | Expired |
| US4331447A | Coal treatment for ash removal and agglomeration | Chemistry; Metallurgy | 27 | Expired |
| US6402980B1 | Oxide magnetic material, ferrite particles, bonded magnet, sintered magnet, process for producing the same, and magnetic recording medium | Electricity | 23 | Expired |
| US5846449A | Magnet powder, sintered magnet, bonded magnet, and magnetic recording medium | Electricity | 22 | Expired |
| US6086781A | Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium | Electricity | 22 | Expired |
| US4974562A | Oil pump device of an engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5648039A | Process for the production of anisotropic ferrite magnets | Chemistry; Metallurgy | 14 | Expired |
| US6258290A | Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium | Electricity | 12 | Expired |
| US6248253A | Hexagonal ferrite magnets | Chemistry; Metallurgy | 12 | Expired |
| US5951937A | Preparation of oxide magnetic material | Electricity | 11 | Expired |
| US5607615A | Hexagonal ba-ferrite sintered magnet, its making method, and polar anisotropy ring magnet | Chemistry; Metallurgy | 10 | Expired |
| USD310373S | Engine | General | 10 | Expired |
| US5811024A | Preparation of anisotropic hexagonal barium ferrite sintered magnet | Chemistry; Metallurgy | 9 | Expired |
| US5945028A | Hexagonal system ferrite particles and their production process | Electricity | 8 | Expired |
| US6027784A | Connecting rod | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7084603B2 | Motor control device | Electricity | 7 | Expired |
| US5144860A | Rotation transmitting mechanism for steering wheel | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9589713B2 | Sintered ferrite magnet and motor provided therewith | Chemistry; Metallurgy | 5 | Active |
| US5521347A | Switch device | Electricity | 5 | Expired |
| US9460835B2 | Sintered ferrite magnet and motor provided therewith | Chemistry; Metallurgy | 5 | Active |
| US6132635A | Process for the production of anisotropic ferrite magnets and anisotropic ferrite magnets as well as hexagonal system ferrite particles and their production process | Electricity | 5 | Expired |
| US9514871B2 | Sintered ferrite magnet and motor provided therewith | Chemistry; Metallurgy | 5 | Active |
| US6908568B2 | Preparation of oxide magnetic material and oxide magnetic material | Chemistry; Metallurgy | 4 | Expired |
| US11810699B2 | Ferrite sintered magnet, ferrite particles, bonded magnet, motor, and generator | Electricity | 1 | Active |
| US9530548B2 | Method for manufacturing Sr ferrite particle for sintered magnet, method for using Sr ferrite particle, Sr ferrite sintered magnet and method for manufacturing same, and motor and generator | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.