Hideki Oka
41Patents
9h-index
90Co-inventors
78Inventor score
Filing activity: Mar 3, 1980 → May 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5904204A | Apparatus for producing strip of stainless steel | Chemistry; Metallurgy | 31 | Expired |
| US6522291B1 | GPS receiver sharing an antenna ground plane with an EMI shield | Electricity | 23 | Expired |
| US5103895A | Method and apparatus of continuously casting a metal sheet | Performing Operations; Transporting | 17 | Expired |
| US5368088A | Apparatus of continuously casting a metal sheet | Performing Operations; Transporting | 13 | Expired |
| US6640421B2 | Coil inserter for stator winding | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5584337A | Process for producing thin cast strip | Performing Operations; Transporting | 11 | Expired |
| US4943716A | Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations | Physics | 10 | Expired |
| US4983825A | Diffraction type optical encoder with improved detection signal insensitivity to optical grating gap variations | Physics | 10 | Expired |
| US6079480A | Thin cast strip formed of molten steel, process for its production, and cooling drum for thin cast strip continuous casting apparatus | Performing Operations; Transporting | 9 | Expired |
| USD318448S | Rear spoiler for a motorcycle | General | 8 | Expired |
| US4985623A | Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations | Physics | 8 | Expired |
| US5400849A | Twin-drum type continuous casting apparatus | Performing Operations; Transporting | 8 | Expired |
| US7132776B2 | Electric motor and method of insulation between coils of different phases of electric motor | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6896033B2 | Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor | Chemistry; Metallurgy | 6 | Expired |
| US6337617B1 | Ignition coil device having spool including glass fiber and silica | Electricity | 5 | Expired |
| US5637829A | Terminal box for motor and method of positioning a conduit therein | Electricity | 5 | Expired |
| US7159641B2 | Cooling drum for thin slab continuous casting, processing method and apparatus thereof, and thin slab and continuous casting method thereof | Chemistry; Metallurgy | 4 | Expired |
| US9803515B2 | Roller lifter | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7742836B2 | Control unit | Physics | 3 | Active |
| US7210214B2 | Method of immulating between coils of different phases of electric motor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7176839B2 | Antenna unit | Electricity | 2 | Expired |
| US4816267A | Process for the production of a nutritional lactic acid fermentation product | Human Necessities | 2 | Expired |
| US9676284B2 | Charging connector | Emerging Cross-Sectional Technologies | 1 | Active |
| US6559218B2 | Phenol resin forming material for pulley used in motor vehicles and phenol resin pulley for motor vehicles | Chemistry; Metallurgy | 1 | Expired |
| US4311715A | Method of preparing albumin rich foodstuff raw materials | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.