Noritaka Ukiyo
22Patents
12h-index
21Co-inventors
77Inventor score
Filing activity: Nov 24, 1998 → Dec 3, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6664169B1 | Process for producing semiconductor member, process for producing solar cell, and anodizing apparatus | Electricity | 120 | Expired |
| US6448155B1 | Production method of semiconductor base material and production method of solar cell | Electricity | 86 | Expired |
| US6682990B1 | Separation method of semiconductor layer and production method of solar cell | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6452091B1 | Method of producing thin-film single-crystal device, solar cell module and method of producing the same | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6802926B2 | Method of producing semiconductor thin film and method of producing solar cell using same | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6566235B2 | Process for producing semiconductor member, and process for producing solar cell | Emerging Cross-Sectional Technologies | 65 | Expired |
| US6258666A | Method of producing semiconductor thin film and method of producing solar cell using same | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6818104B2 | Anodizing apparatus | Electricity | 26 | Expired |
| US6551908B2 | Method for producing semiconductor thin films on moving substrates | Chemistry; Metallurgy | 25 | Expired |
| US6429035B2 | Method of growing silicon crystal in liquid phase and method of producing solar cell | Emerging Cross-Sectional Technologies | 16 | Expired |
| US9029795B2 | Radiation generating tube, and radiation generating device and apparatus including the tube | Electricity | 14 | Active |
| US6231667A | Liquid phase growth method and liquid phase growth apparatus | Chemistry; Metallurgy | 13 | Expired |
| US6802900B2 | Liquid phase growth methods and liquid phase growth apparatus | Chemistry; Metallurgy | 9 | Expired |
| US6391108B2 | Liquid phase growth method of silicon crystal, method of producing solar cell, and liquid phase growth apparatus | Chemistry; Metallurgy | 6 | Expired |
| US9230774B2 | X-ray generating tube, X-ray generating apparatus and X-ray imaging system using the same | Electricity | 5 | Active |
| US9401259B2 | Radiation generating tube, and radiation generating apparatus and radiation imaging system using the same | Electricity | 3 | Active |
| US7175706B2 | Process of producing multicrystalline silicon substrate and solar cell | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7022181B2 | Liquid phase growth process, liquid phase growth system and substrate member production method | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9653252B2 | X-ray generating tube, X-ray generating apparatus and X-ray imaging system using the same | Electricity | 2 | Active |
| US6953506B2 | Wafer cassette, and liquid phase growth system and liquid-phase growth process which make use of the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6951584B2 | Apparatus for producing semiconductor thin films on moving substrates | Chemistry; Metallurgy | 1 | Expired |
| US9761406B2 | Radiation tube and radiation inspection apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.