Takao Yonehara
193Patents
50h-index
110Co-inventors
93Inventor score
Filing activity: Oct 23, 1987 → Dec 21, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5854123A | Method for producing semiconductor substrate | Emerging Cross-Sectional Technologies | 512 | Expired |
| US5371037A | Semiconductor member and process for preparing semiconductor member | Electricity | 424 | Expired |
| US6534382B1 | Process for producing semiconductor article | Emerging Cross-Sectional Technologies | 388 | Expired |
| US5670411A | Process of making semiconductor-on-insulator substrate | Emerging Cross-Sectional Technologies | 327 | Expired |
| US5277748A | Semiconductor device substrate and process for preparing the same | Emerging Cross-Sectional Technologies | 325 | Expired |
| US5374581A | Method for preparing semiconductor member | Emerging Cross-Sectional Technologies | 305 | Expired |
| US5250460A | Method of producing semiconductor substrate | Emerging Cross-Sectional Technologies | 305 | Expired |
| US5695557A | Process for producing a semiconductor substrate | Electricity | 298 | Expired |
| US7148119B1 | Process for production of semiconductor substrate | Electricity | 281 | Expired |
| US5980633A | Process for producing a semiconductor substrate | Electricity | 275 | Expired |
| US5966620A | Process for producing semiconductor article | Electricity | 272 | Expired |
| US5312771A | Optical annealing method for semiconductor layer and method for producing semiconductor device employing the same semiconductor layer | Emerging Cross-Sectional Technologies | 259 | Expired |
| US6100166A | Process for producing semiconductor article | Emerging Cross-Sectional Technologies | 255 | Expired |
| US5278093A | Method for forming semiconductor thin film | Emerging Cross-Sectional Technologies | 170 | Expired |
| US6331208A | Process for producing solar cell, process for producing thin-film semiconductor, process for separating thin-film semiconductor, and process for forming semiconductor | Emerging Cross-Sectional Technologies | 155 | Expired |
| US5869387A | Process for producing semiconductor substrate by heating to flatten an unpolished surface | Emerging Cross-Sectional Technologies | 143 | Expired |
| US6800871B2 | Display device and process of producing the same | Electricity | 142 | Expired |
| US5405802A | Process of fabricating a semiconductor substrate | Emerging Cross-Sectional Technologies | 134 | Expired |
| US6613678B1 | Process for manufacturing a semiconductor substrate as well as a semiconductor thin film, and multilayer structure | Electricity | 132 | Expired |
| US6054363A | Method of manufacturing semiconductor article | Electricity | 121 | Expired |
| US6143628A | Semiconductor substrate and method of manufacturing the same | Electricity | 119 | Expired |
| US6294478A | Fabrication process for a semiconductor substrate | Electricity | 116 | Expired |
| US5856229A | Process for production of semiconductor substrate | Emerging Cross-Sectional Technologies | 112 | Expired |
| US5531182A | Method of making a semiconductor thin-film | Emerging Cross-Sectional Technologies | 102 | Expired |
| US6190937A | Method of producing semiconductor member and method of producing solar cell | Emerging Cross-Sectional Technologies | 99 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.