Isao Watanabe
168Patents
22h-index
254Co-inventors
93Inventor score
Filing activity: Dec 3, 1973 → Jun 3, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4480000A | Absorbent article | Emerging Cross-Sectional Technologies | 86 | Expired |
| US5392967A | Plug device for sealing liquid container | Human Necessities | 54 | Expired |
| US5731106A | Electrolytic solution for lithium secondary battery and lithium secondary battery using the same | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5366048A | Vibration damping device | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US3935340A | Process for preparing plastic coated metal powders | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5654578A | Superlattice avalanche photodiode with mesa structure | Emerging Cross-Sectional Technologies | 40 | Expired |
| US8460179B2 | Balloon unit for endoscope apparatus | Human Necessities | 38 | Active |
| US5024264A | Method of cooling a semiconductor device with a cooling unit, using metal sherbet between the device and the cooling unit | Electricity | 34 | Expired |
| US6104047A | Avalanche photodiode with thin built-in depletion region | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5180145A | Vibration damping device | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5770835A | Process and apparatus and panel heater for soldering electronic components to printed circuit board | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5522481A | Vibration damping device using ER fluids | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5247493A | Magneto-optical recording and reproducing disk device having a bimorph type actuator with specific structures for mounting a magnetic head in opposing to the surface of the disk | Physics | 28 | Expired |
| US5862436A | Fixing apparatus and method for electrophotographic apparatus including temperature detecting mechanism for heat roller | Physics | 27 | Expired |
| US4918423A | Tire inspection device | Performing Operations; Transporting | 27 | Expired |
| US5607609A | Process and apparatus for soldering electronic components to printed circuit board, and assembly of electronic components and printed circuit board obtained by way of soldering | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5707504A | Oxygen concentration detector | Physics | 25 | Expired |
| USD524184S1 | Flexible wristband | General | 25 | Expired |
| US5552629A | Superlattice avalance photodiode | Electricity | 24 | Expired |
| US5874664A | Air fuel ratio sensor and method for assembling the same | Physics | 23 | Expired |
| US5449150A | Vibration damping device with an electrode and having rolling lobes of different radii | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4835752A | Device for driving and controlling optical head for use in optical disk system | Physics | 23 | Expired |
| USD519052S1 | Combination wristband and clasp | General | 22 | Expired |
| US5305294A | Magneto-optical recording/reproducing system having an electromagnetic actuator | Physics | 22 | Expired |
| US5477946A | Vibration damping devices | Mechanical Engineering; Lighting; Heating | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.