Hirofumi Tanaka
62Patents
16h-index
107Co-inventors
87Inventor score
Filing activity: Mar 12, 1975 → May 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5818058A | Particle beam irradiation apparatus | Human Necessities | 204 | Expired |
| US7515991B2 | Self-propelled cleaning device and method of operation thereof | Human Necessities | 163 | Expired |
| US7259529B2 | Charged particle accelerator | Electricity | 156 | Expired |
| US7418762B2 | Self-propelled cleaning device and charger using the same | Human Necessities | 147 | Expired |
| US6266810A | Remote program downloading system and apparatus | Electricity | 143 | Expired |
| USD344279S | Industrial robot | General | 76 | Expired |
| USD322669S | Electric fan | General | 69 | Expired |
| US7982416B2 | Circular accelerator | Electricity | 45 | Active |
| US7609009B2 | Linear ion accelerator | Electricity | 41 | Active |
| US7207083B2 | Electric vacuum cleaner | Emerging Cross-Sectional Technologies | 32 | Expired |
| USD338293S | Electric vacuum cleaner | General | 29 | Expired |
| US8525448B2 | Circular accelerator and operating method therefor | Electricity | 26 | Active |
| US5990553A | Metal-based semiconductor circuit substrates | Electricity | 23 | Expired |
| US7607875B2 | Fastener for fixing a part to a body panel | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7276099B2 | Electric vacuum cleaner | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6357820B1 | Work vehicle | Fixed Constructions | 16 | Expired |
| US4676204A | Starting system of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6833719B2 | Apparatus for evaluating electrical characteristics | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6559610B2 | Continuous wave electron-beam accelerator and continuous wave electron-beam accelerating method thereof | Electricity | 11 | Expired |
| US6288478A | Vibrating gyroscope | Physics | 10 | Expired |
| US10561384B2 | X-ray imaging system | Human Necessities | 7 | Active |
| US5459393A | Beam position monitor and beam position detecting method | Electricity | 6 | Expired |
| US8836247B2 | Drift-tube linear accelerator | Electricity | 5 | Active |
| US8636396B2 | Vehicle body front structure | Performing Operations; Transporting | 5 | Active |
| USD920355S1 | Display panel with transitional graphical user interface | General | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.