Toru Takeuchi
42Patents
11h-index
66Co-inventors
78Inventor score
Filing activity: Sep 4, 1974 → Aug 10, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5366026A | Impact type clamping apparatus | Performing Operations; Transporting | 45 | Expired |
| US6739099B2 | Column-and-beam join structure | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US7497054B2 | Column-and-beam join structure | Mechanical Engineering; Lighting; Heating | 39 | Active |
| US4808641A | Concrete admixture | Chemistry; Metallurgy | 38 | Expired |
| US4055526A | Planar heating element and production thereof | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6826874B2 | Buckling restrained braces and damping steel structures | Fixed Constructions | 21 | Expired |
| US4828619A | Air-entraining agent for flyash cement composition | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4074222A | Planar heating element | Electricity | 16 | Expired |
| US4650522A | Concrete admixture | Chemistry; Metallurgy | 14 | Expired |
| US4944249A | Vacuum-pressure supply device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7231743B2 | Buckling restrained braces and damping steel structures | Fixed Constructions | 13 | Expired |
| US6201421A | Write current driving circuit | Electricity | 11 | Expired |
| USD526359S1 | Bank note distinguishing apparatus cover bezel | General | 10 | Expired |
| US6147596A | Vehicle-mounted record medium reproducing apparatus | Performing Operations; Transporting | 10 | Expired |
| US6222415A | Magneto-resistive element signal amplifying circuit | Physics | 9 | Expired |
| US3945833A | Photosensitive coating composition | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4936918A | Aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same | Chemistry; Metallurgy | 8 | Expired |
| US5010844A | Vacuum-pressure supply device | Human Necessities | 7 | Expired |
| US6683487B2 | Current driver circuit for supplying write current to a write head while changing a flow direction of the write current | Electricity | 6 | Expired |
| US5092934A | Aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same | Chemistry; Metallurgy | 6 | Expired |
| US7813068B2 | Degauss control for magnetic disk-drive preamplifier | Physics | 6 | Active |
| US6252457A | Differential amplifier circuit | Electricity | 4 | Expired |
| US8625214B2 | Apparatus for digital RMS detection and peak detection in head-disk contact detection | Physics | 4 | Active |
| US7251091B2 | Current-sense bias circuit for a magnetoresistive head and method of sensing a current therethrough | Physics | 4 | Expired |
| US6211736A | Signal amplifying circuit for magnetoresistive element | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.