Hiroshi Takashima
29Patents
12h-index
64Co-inventors
84Inventor score
Filing activity: Feb 16, 1978 → Jan 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5383754A | Image forming apparatus having an image orientation identifying device and a binding device | Physics | 110 | Expired |
| US5671470A | Color image forming device which changes developing bias when switching between developer units | Physics | 35 | Expired |
| US5826146A | Color image forming device which changes developing bias when switching between developer units | Physics | 31 | Expired |
| US5741616A | Method of developing latent electrostatic images and developer-bearing member | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5172169A | Developer carrier of a developing device and a method of producing the same | Physics | 29 | Expired |
| US5286918A | Developing apparatus using a developer carrier capable of forming microfields on the surface thereof | Physics | 22 | Expired |
| US6406600B1 | CoPt-base sputtering target, method of making same, magnetic recording film and Co-Pt-base magnetic recording medium | Electricity | 21 | Expired |
| US5451713A | Developing apparatus using a developer carrier capable of forming microfields | Physics | 17 | Expired |
| US5315061A | Developing apparatus using a developer carrier capable of forming microfields | Physics | 15 | Expired |
| US5674408A | Developer carrier capable of forming microfields thereon and method of producing the same | Physics | 14 | Expired |
| US4303680A | Production of yeast extract containing flavoring | Human Necessities | 14 | Expired |
| US6247568A | Friction member for disk assembly, especially for torque converter | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| USD256920S | Television receiver | General | 10 | Expired |
| US8012235B2 | Process for producing low-oxygen metal powder | Performing Operations; Transporting | 8 | Active |
| US8092570B2 | Method for producing titanium metal | Performing Operations; Transporting | 8 | Active |
| US7134785B2 | Capacitance temperature sensor and temperature measuring device | Physics | 7 | Expired |
| US8193704B2 | Perovskite oxide thin film EL element | Electricity | 7 | Active |
| US4677330A | Miniature motor with frangible magnet retaining boss | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8198774B2 | Permanent magnet motor | Electricity | 4 | Active |
| US8973110B2 | Electronic receipt system, terminal device and method of providing electronic receipt | Physics | 4 | Active |
| US9828773B2 | Column end joint structure | Fixed Constructions | 3 | Active |
| USD268027S | Video tape recorder | General | 3 | Expired |
| US9738497B2 | Jib attachment/detachment mechanism | Performing Operations; Transporting | 2 | Active |
| US7381282B2 | Co alloy target and its production method, soft magnetic film for perpendicular magnetic recording and perpendicular magnetic recording medium | Electricity | 1 | Active |
| US7273698B2 | Defects in periaxin associated with myelinopathies | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.