Hirokazu Ando
42Patents
5h-index
58Co-inventors
72Inventor score
Filing activity: Oct 9, 1974 → Jan 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5725922A | Semiconductive silicone rubber compositions and semiconductive silicone rubber rolls | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5844587A | Piezoelectric ink jet head having electrodes connected by anisotropic adhesive | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6081679A | Method of cleaning residual toner from drum and rollers of image forming apparatus | Physics | 15 | Expired |
| US4368353A | Printer head for serial dot printer | Performing Operations; Transporting | 13 | Expired |
| US9844648B2 | Medical safety needle preventive of needlepoint re-exposure | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US5610695A | Roller for electrophotographic development apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4692043A | Wire dot-printing head | Performing Operations; Transporting | 3 | Expired |
| US7852563B2 | Lenticular lens medium | Physics | 3 | Active |
| US6293895A | Transfer roller | Performing Operations; Transporting | 3 | Expired |
| US10851701B2 | Engine cooling system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US4913569A | Wire-type printing head | Performing Operations; Transporting | 2 | Expired |
| US3952318A | Shutter control circuit for cameras | Physics | 2 | Expired |
| US10968847B2 | Device and method for controlling internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US4059835A | Bypass circuits for improving the response of electric shutters | Physics | 2 | Expired |
| US6179761A | Semiconductive roller | Physics | 1 | Expired |
| US8515649B2 | Fuel injection device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10907560B2 | Controller and control method for internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10619554B2 | Engine cooling apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11187172B2 | Controller and control method for internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10900429B2 | Controller and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US5975993A | Method of manufacturing developing roller | Physics | 1 | Expired |
| US11325579B2 | Controller and control method for hybrid vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US6118970A | Cleaning roller | Physics | 1 | Expired |
| US7872805B2 | Lenticular lens medium | Physics | 1 | Active |
| US11280285B2 | Controller and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.