Shoji Ikeda
73Patents
8h-index
76Co-inventors
81Inventor score
Filing activity: Sep 6, 1978 → Jul 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4182191A | Method of immediate estimation of compressive strength of concrete through quick hardening | Physics | 12 | Expired |
| US6822831B2 | Magnetic thin film, magnetic thin film forming method, and recording head | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4342693A | 1,3-Dioxolen-2-one derivatives and process for production thereof | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7294418B2 | Magnetic film for magnetic head | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6970324B2 | Thin film head with nickel-iron alloy non-magnetic substratum between non-magnetic gap layer and upper magnetic pole layer | Physics | 9 | Expired |
| US6828046B2 | Soft magnetic film of FeCoMO having a high saturation flux density, a moderate soft magnetism and a uniaxial magnetic anisotropy | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4478643A | Base composition comprising an irradiated organic pigment | Chemistry; Metallurgy | 8 | Expired |
| US4772788A | Corona discharge treating system | Performing Operations; Transporting | 8 | Expired |
| US4976785A | Paint resin | Chemistry; Metallurgy | 7 | Expired |
| US4632961A | Colored base composition and paint composition containing the same | Chemistry; Metallurgy | 7 | Expired |
| US4879100A | Corona discharge treatment apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8274818B2 | Magnetoresistive element, magnetic memory cell and magnetic random access memory using the same | Electricity | 5 | Active |
| US8917541B2 | Magnetoresistance effect element and magnetic memory | Emerging Cross-Sectional Technologies | 5 | Active |
| US9135973B2 | Magnetoresistance effect element and magnetic memory | Electricity | 5 | Active |
| US4867573A | Powder treating method and apparatus used therefor | Chemistry; Metallurgy | 5 | Expired |
| US9202545B2 | Magnetoresistance effect element and magnetic memory | Electricity | 4 | Active |
| US4455310A | Quinolinecarboxylic acid derivative, and antibacterial agent containing said compound as active ingredient | Human Necessities | 4 | Expired |
| US9153306B2 | Tunnel magnetoresistive effect element and random access memory using same | Electricity | 3 | Active |
| US4428806A | Process for producing brominated 1,3-dioxolen-2-ones | Chemistry; Metallurgy | 3 | Expired |
| US4389408A | Novel ampicillin esters and production thereof | Chemistry; Metallurgy | 3 | Expired |
| US9450177B2 | Magnetoresistive element and magnetic memory | Electricity | 3 | Active |
| US7468542B2 | Magnetoresistive device and nonvolatile magnetic memory equipped with the same | Electricity | 3 | Active |
| US4556683A | Pigment dispersing resin and composition containing same | Chemistry; Metallurgy | 3 | Expired |
| US7759750B2 | Magnetic memory cell and random access memory | Emerging Cross-Sectional Technologies | 2 | Active |
| US8993351B2 | Method of manufacturing tunneling magnetoresistive element | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.