Yasuhiro Hashimoto
100Patents
25h-index
165Co-inventors
93Inventor score
Filing activity: Oct 26, 1978 → Aug 18, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6107562A | Semiconductor thin film, method for manufacturing the same, and solar cell using the same | Emerging Cross-Sectional Technologies | 120 | Expired |
| US5594529A | Imaging device with stock supervision means | Physics | 64 | Expired |
| US4613943A | Operation teaching method and apparatus for industrial robot | Physics | 61 | Expired |
| US5708909A | Equipment management system | Physics | 52 | Expired |
| US5873009A | Equipment management system that issues a warning when the lifetime of a component has been exceeded and disables the warning when such a warning is to be generated for a different component | Physics | 49 | Expired |
| US8916319B2 | Toner | Physics | 46 | Active |
| US8940467B2 | Toner | Physics | 44 | Active |
| USD287368S | Industrial robot | General | 44 | Expired |
| US8440382B2 | Method of producing toner | Physics | 43 | Active |
| US5262735A | Ring oscillator having outputs that are selectively combined to produce different frequencies | Electricity | 39 | Expired |
| US8652737B2 | Toner and image forming process | Physics | 39 | Active |
| US8497054B2 | Toner | Physics | 38 | Active |
| US8778581B2 | Toner | Physics | 38 | Active |
| US8531818B2 | Electric double layer capacitor and method for manufacturing the same | Emerging Cross-Sectional Technologies | 38 | Active |
| US9229345B2 | Toner | Physics | 36 | Active |
| US5752125A | Maintenance management system for image forming equipment | Physics | 35 | Expired |
| US5812874A | Equipment management system | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4983145A | Apparatus for automatically tensioning a drive belt | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5666585A | Maintenance supervising system for an image-reproducing system | Physics | 31 | Expired |
| US6259016A | Solar cell | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6534704B2 | Solar cell | Emerging Cross-Sectional Technologies | 29 | Expired |
| US8367289B2 | Toner | Physics | 29 | Active |
| US9423714B2 | Toner | Physics | 28 | Active |
| US7112393B2 | Non-magnetic toner | Physics | 27 | Expired |
| US8053156B2 | Toner, and toner production process | Physics | 25 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.