Hideo Maeda
43Patents
14h-index
74Co-inventors
84Inventor score
Filing activity: Jun 2, 1983 → Mar 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8649176B2 | Display apparatus including cooling section | Physics | 90 | Active |
| US4697165A | Ceramic heater and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5101389A | Optical information recording/reproducing apparatus | Physics | 29 | Expired |
| US6348280B1 | Fuel cell | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5115423A | Optomagnetic recording/reproducing apparatus | Physics | 25 | Expired |
| US5060212A | Integrated optical pick-up device | Physics | 24 | Expired |
| US5775119A | Air conditioner outdoor unit housing | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4935911A | Optical head device for recording and reproducing information | Physics | 21 | Expired |
| US5029154A | Optical reproducing apparatus | Physics | 20 | Expired |
| US5956302A | Optical pick-up device and method using a high-density double diffraction grating | Physics | 18 | Expired |
| US5107477A | Integrated optical pick-up device | Physics | 17 | Expired |
| US4448404A | Device for holding a sheet-like sample | Performing Operations; Transporting | 16 | Expired |
| US6270917A | Fuel cell | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5331650A | Light source device and optical pickup using light source device | Electricity | 14 | Expired |
| US6500579B1 | Fuel cell structure | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5574558A | Optical encoding apparatus for measuring displacement of an object using diffraction gratings and twice-diffracted and twice-transmitted light | Physics | 12 | Expired |
| US5065206A | Photoelectric converting device with accumulating gate region | Electricity | 12 | Expired |
| US5579111A | Encoding apparatus for making measurements of two-dimensional displacement of an object | Physics | 11 | Expired |
| US5278817A | Optical pick-up for use with an opto-magnetic signal | Physics | 11 | Expired |
| US4952996A | Static induction and punching-through photosensitive transistor devices | Electricity | 11 | Expired |
| US5652426A | Optical encoder having high resolution | Physics | 11 | Expired |
| US5097462A | Integrated optical pick-up device | Physics | 10 | Expired |
| US5572323A | Infinitesimal displacement measuring apparatus and optical pick-up unit | Physics | 9 | Expired |
| US5812320A | Optical encoder having high resolution | Physics | 9 | Expired |
| US4869075A | Air conditioner | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.