Yoshio Watanabe
121Patents
24h-index
178Co-inventors
93Inventor score
Filing activity: Mar 12, 1973 → Sep 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5132012A | Liquid chromatograph | Physics | 145 | Expired |
| US5690893A | Analyzer having sensor with memory device | Emerging Cross-Sectional Technologies | 89 | Expired |
| US5682214A | Optical apparatus for controlling the wavefront of a coherent light | Physics | 72 | Expired |
| US6375262B1 | Automotive seat-back structure | Performing Operations; Transporting | 72 | Expired |
| US4889106A | Treating instrument for endoscope | Human Necessities | 71 | Expired |
| US6661470B1 | Moving picture display method and apparatus | Electricity | 64 | Expired |
| US5818640A | Sign illumination system and method | Physics | 49 | Expired |
| US4941455A | Endoscope having bending means | Human Necessities | 46 | Expired |
| US4804574A | Laminated printed coil structure | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5497254A | Optical apparatus including a liquid crystal modulator | Physics | 42 | Expired |
| US6086454A | Method of fabricating a semiconductor device using a CMP process | Performing Operations; Transporting | 40 | Expired |
| US4933576A | Gate array device having macro cells for forming master and slave cells of master-slave flip-flop circuit | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5344545A | Electrolytic sensor for measuring the content of gas in a fluid | Performing Operations; Transporting | 35 | Expired |
| US5167006A | Neuron unit, neural network and signal processing method | Physics | 35 | Expired |
| US5389962A | Ink jet recording head assembly | Performing Operations; Transporting | 34 | Expired |
| US4682080A | Discharge lamp operating device | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6376995B1 | Plasma display panel, display apparatus using the same and driving method thereof | Electricity | 32 | Expired |
| US4826025A | Ampoule package | Human Necessities | 32 | Expired |
| US4823168A | Flow-through cell for a photometer formed using a pair of cell body members | Physics | 30 | Expired |
| US5327522A | Neuron unit | Physics | 29 | Expired |
| US5412413A | Method and apparatus for making liquid drop fly to form image by generating bubble in liquid | Performing Operations; Transporting | 27 | Expired |
| US5007682A | Vehicular seat assembly | Performing Operations; Transporting | 26 | Expired |
| US5360470A | Magnetic levitating transporting apparatus with a movable magnetic unit | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6528952B2 | Plasma display panel, display apparatus using the same and driving method thereof | Electricity | 25 | Expired |
| US5362445A | Biochemical analyzer and attenuated total reflection prism cell used in said analyzer | Physics | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.