Hiroshi Hasegawa
474Patents
37h-index
504Co-inventors
93Inventor score
Filing activity: May 16, 1974 → May 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5899972A | Interactive voice recognition method and apparatus using affirmative/negative content discrimination | Physics | 359 | Expired |
| US6070139A | Bifurcated speaker specific and non-speaker specific speech recognition method and apparatus | Physics | 250 | Expired |
| US5983186A | Voice-activated interactive speech recognition device and method | Physics | 228 | Expired |
| US4860732A | Endoscope apparatus provided with endoscope insertion aid | Human Necessities | 161 | Expired |
| US5307419A | Control device of an autonomously moving body and evaluation method for data thereof | Physics | 114 | Expired |
| US5359666A | Driving way judging device and method | Physics | 105 | Expired |
| US5511956A | High pressure fuel pump for internal combustion engine | Mechanical Engineering; Lighting; Heating | 102 | Expired |
| US7104951B2 | Endoscope apparatus with drum part to wind insertion part therearound | Human Necessities | 96 | Expired |
| US6501240B2 | Linear compressor driving device, medium and information assembly | Mechanical Engineering; Lighting; Heating | 88 | Expired |
| USD336890S | Geared motor | General | 87 | Expired |
| US6371907B1 | Endoscope apparatus driving manipulation wires with drive motor in drum portion | Human Necessities | 86 | Expired |
| US4239729A | Oxygenator | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5172317A | Automatic travelling apparatus | Physics | 84 | Expired |
| US4673349A | High temperature surface combustion burner | Mechanical Engineering; Lighting; Heating | 84 | Expired |
| US6416463B1 | Electronic endoscope | Physics | 82 | Expired |
| US6185065A | Electromagnetic shielding apparatus for a memory storage disk module which permits air flow for cooling | Physics | 73 | Expired |
| US5999365A | Electromagnetic shielding apparatus for a memory storage disk module which permits air flow for cooling | Physics | 70 | Expired |
| US4948525A | Lubricating oil compositions for refrigerators | Chemistry; Metallurgy | 64 | Expired |
| US4376095A | Hollow fiber-type artificial lung having enclosed heat exchanger | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4941457A | Endoscope using an optical guide twisted on the tip side to have the visual field direction and curvature axis coincide with each other | Physics | 60 | Expired |
| US4881810A | Endoscope with a removable cover member | Human Necessities | 56 | Expired |
| US5262076A | Synthetic lubricating oils | Chemistry; Metallurgy | 53 | Expired |
| US5279045A | Minute particle loading method and apparatus | Electricity | 53 | Expired |
| US7431660B2 | Putter-type club head | Human Necessities | 52 | Expired |
| US4113660A | Production of shaped catalysts or carriers comprising titanium oxides | Performing Operations; Transporting | 51 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.