Akira Watanabe
262Patents
30h-index
390Co-inventors
93Inventor score
Filing activity: Apr 13, 1973 → Mar 18, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7690881B2 | Substrate-processing apparatus with buffer mechanism and substrate-transferring apparatus | Emerging Cross-Sectional Technologies | 505 | Active |
| US4026632A | Frequency selective interwaveguide coupler | Physics | 260 | Expired |
| US4847610A | Method of restoring transmission line | Electricity | 147 | Expired |
| US5491793A | Debug support in a processor chip | Physics | 138 | Expired |
| US5408263A | Electronic endoscope apparatus | Human Necessities | 134 | Expired |
| US5420644A | Color smear correcting apparatus | Electricity | 108 | Expired |
| US4508443A | Lens barrel | Physics | 95 | Expired |
| US5812187A | Electronic endoscope apparatus | Electricity | 92 | Expired |
| US5585840A | Endoscope apparatus in which image pickup means and signal control means are connected to each other by signal transmitting means | Electricity | 89 | Expired |
| US5003533A | Node processing system | Electricity | 87 | Expired |
| US5148429A | Voice data transmission system and method | Electricity | 85 | Expired |
| US4750505A | Apparatus for processing wafers and the like | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5045997A | Data processor | Physics | 71 | Expired |
| USD523057S1 | Conversion lens for single-lens reflex camera | General | 50 | Expired |
| USD597116S1 | Digital camera | General | 49 | Expired |
| US5485203A | Color misregistration easing system which corrects on a pixel or block basis only when necessary | Electricity | 49 | Expired |
| US5669013A | System for transferring M elements X times and transferring N elements one time for an array that is X*M+N long responsive to vector type instructions | Physics | 48 | Expired |
| US5314762A | Portable power source | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4845709A | Data transfer control system | Electricity | 46 | Expired |
| US5032913A | Electronic endoscope system equipped with color smear reducing means | Electricity | 46 | Expired |
| US5247620A | Bridge apparatus with an address check circuit for interconnecting networks | Electricity | 45 | Expired |
| USD301849S | Four wheel vehicle | General | 41 | Expired |
| USD425088S | Lens for single-lens reflex camera | General | 40 | Expired |
| US6226385A | Encryption communication system capable of reducing network managing workload | Electricity | 40 | Expired |
| USD375969S | Lens for single-lens reflex camera | General | 40 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.