Hiroshi Hirata
14Patents
4h-index
33Co-inventors
60Inventor score
Filing activity: Dec 6, 1976 → Apr 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4533082A | Piezoelectric oscillated nozzle | Mechanical Engineering; Lighting; Heating | 159 | Expired |
| US4105310A | Indicating device for motion picture camera | Physics | 7 | Expired |
| US6210291A | Golf ball | Human Necessities | 6 | Expired |
| US4184753A | Automatic focus adjustment circuitry for motion picture cameras | Physics | 4 | Expired |
| US5319331A | Electromagnetic relay | Electricity | 4 | Expired |
| US6858101B1 | Steel excellent in forgeability and machinability | Chemistry; Metallurgy | 3 | Expired |
| US5868817A | Process for producing steel by converter | Chemistry; Metallurgy | 3 | Expired |
| US6521161B1 | Method for manufacturing a golf ball | Performing Operations; Transporting | 2 | Expired |
| US9217185B2 | Method of reduction processing of steel-making slag | Emerging Cross-Sectional Technologies | 1 | Active |
| US4134649A | Sound motion picture camera | Physics | 1 | Expired |
| US8137484B2 | Method of production of steel superior in machinability | Chemistry; Metallurgy | 1 | Active |
| US9121918B2 | Image acquiring method and image acquiring apparatus | Physics | 1 | Active |
| US12381366B2 | Electrical connector with terminal connected to wire conductor in sealed housing | Electricity | 0 | Active |
| US7488396B2 | Superior in machinability and method of production of same | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.