Masao Watanabe
162Patents
19h-index
237Co-inventors
89Inventor score
Filing activity: Nov 19, 1973 → Aug 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5680230A | Image processing method and apparatus thereof | Electricity | 86 | Expired |
| US6059285A | Sheet conveying apparatus | Electricity | 85 | Expired |
| US5187666A | Vehicle anti-lock brake control apparatus including means for regulating brake pressure based on smoothed wheel acceleration and determined vehicle acceleration | Performing Operations; Transporting | 64 | Expired |
| US6078717A | Opical waveguide device | Physics | 59 | Expired |
| US5648181A | Inorganic thin film electroluminescent device having a light emission layer | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5458405A | Motor vehicle brake pressure control apparatus wherein brake pressure is controlled based on estimated future wheel speed | Performing Operations; Transporting | 42 | Expired |
| US5475475A | Image forming apparatus and method in which image of a plurality of originals are formed at different positions of one recording sheet | Electricity | 38 | Expired |
| US6385355B1 | Optical deflection element | Physics | 34 | Expired |
| US6307996A | Optical waveguide device and manufacturing method thereof | Physics | 33 | Expired |
| US6094510A | Image processing apparatus and method for predicting a compression rate of image data processed to modify an image | Electricity | 29 | Expired |
| US4308842A | Evaporative emission control system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5889596A | Controlling a reading unit of an image processing apparatus | Electricity | 23 | Expired |
| US4404533A | Electromagnetic switch device | Electricity | 23 | Expired |
| US6608281B2 | Laser beam machining head and laser beam machining apparatus having same | Performing Operations; Transporting | 23 | Expired |
| US5640231A | Image forming apparatus and temperature control device for fixing unit for use therewith | Physics | 22 | Expired |
| US6294754A | Laser beam machining head | Performing Operations; Transporting | 22 | Expired |
| US4585389A | Apparatus for loading or unloading a workpiece | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4883735A | Negatively chargeable toner for use in dry electrophotography | Physics | 21 | Expired |
| US4208252A | Apparatus for treatment of rubber and plastic wastes | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4440033A | Starting motor device | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5592977A | Multi-layered woven belt with rope shaped portion | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4640028A | Combination steam iron and steamer | Textiles; Paper | 17 | Expired |
| US5850478A | Image forming apparatus | Electricity | 17 | Expired |
| US5543237A | Inorganic thin film electroluminescent device having an emission layer | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6762780B2 | Printing apparatus | Performing Operations; Transporting | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.