Yuji Tamura
62Patents
20h-index
70Co-inventors
91Inventor score
Filing activity: Jun 4, 1992 → Jun 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD407759S | Game machine | General | 149 | Expired |
| USD407758S | Game machine | General | 84 | Expired |
| US5680246A | Optical amplifier and optical transmission apparatus | Electricity | 39 | Expired |
| US6136444A | Transparent conductive sheet | Emerging Cross-Sectional Technologies | 36 | Expired |
| USD409538S | Steering wheel | General | 36 | Expired |
| USPP9322P | Petunia plant `Revolution Bluevein` | General | 33 | Expired |
| US5859725A | Optical power monitor and optical amplifier having the optical power monitor | Electricity | 32 | Expired |
| US6171663A | Liquid crystal display element with a transparent electrode substrate, and the transparent electrode substrate | Emerging Cross-Sectional Technologies | 27 | Expired |
| USPP9341P | Petunia plant `Revolution Pinkvein` | General | 26 | Expired |
| USPP9556P | Petunia plant named `Revolution Pinkmini` | General | 25 | Expired |
| US5276524A | Wide display with two CRTs arranged to form a non-overlapping juxtaposed image with one CRT movable from an accommodated position to an operative position | Emerging Cross-Sectional Technologies | 24 | Expired |
| USPP9411P | Verbena plant `Sunmaref TP-V` | General | 23 | Expired |
| USPP9342P | Petunia plant named `Revolution Violet` | General | 23 | Expired |
| US6612929B2 | Rotary device for game machine and game machine with rotary device | Human Necessities | 22 | Expired |
| USPP9085P | Verbena plant--`Sunmaref TP-C` | General | 22 | Expired |
| USPP8995P | Verbena plant -- `Sunmaref TP-R` | General | 22 | Expired |
| USPP8489P | Petunia plant named `Revolution Pastelpink` | General | 21 | Expired |
| US6539185B2 | Fixing apparatus and image-forming apparatus | Physics | 20 | Expired |
| US5822112A | Control apparatus for optical amplifier | Electricity | 20 | Expired |
| USPP9121P | Verbena plant `Sunmaref TP-L` | General | 20 | Expired |
| USPP9059P | Verbena plant -- `Sunmaref TP-W` | General | 19 | Expired |
| USPP9014P | Verbena plant--`Sunmaref TP-P` | General | 19 | Expired |
| US6219177A | Optical amplifying apparatus, an optical output controlling method by the optical amplifying apparatus, and an optical transmitting apparatus | Electricity | 13 | Expired |
| US5625481A | Auxiliary-signal transmission system | Electricity | 13 | Expired |
| US6297814A | Apparatus for and method of displaying image and computer-readable recording medium | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.