Nobuhiko Sato
112Patents
26h-index
111Co-inventors
93Inventor score
Filing activity: May 20, 1991 → Jan 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5854123A | Method for producing semiconductor substrate | Emerging Cross-Sectional Technologies | 512 | Expired |
| US5869387A | Process for producing semiconductor substrate by heating to flatten an unpolished surface | Emerging Cross-Sectional Technologies | 143 | Expired |
| US6613678B1 | Process for manufacturing a semiconductor substrate as well as a semiconductor thin film, and multilayer structure | Electricity | 132 | Expired |
| US6143628A | Semiconductor substrate and method of manufacturing the same | Electricity | 119 | Expired |
| US7254428B2 | Blood sugar level measuring apparatus | Human Necessities | 110 | Expired |
| US6221738A | Substrate and production method thereof | Electricity | 97 | Expired |
| US6171982A | Method and apparatus for heat-treating an SOI substrate and method of preparing an SOI substrate by using the same | Electricity | 84 | Expired |
| US6326279A | Process for producing semiconductor article | Electricity | 80 | Expired |
| US5750000A | Semiconductor member, and process for preparing same and semiconductor device formed by use of same | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6143629A | Process for producing semiconductor substrate | Electricity | 69 | Expired |
| US7164183B2 | Semiconductor substrate, semiconductor device, and method of manufacturing the same | Electricity | 68 | Expired |
| US6350703B1 | Semiconductor substrate and production method thereof | Chemistry; Metallurgy | 63 | Expired |
| US6369905B1 | Information processing apparatus and output apparatus | Physics | 63 | Expired |
| US6828214B2 | Semiconductor member manufacturing method and semiconductor device manufacturing method | Emerging Cross-Sectional Technologies | 60 | Expired |
| US5767020A | Etching solution for etching porous silicon, etching method using the etching solution and method of preparing semiconductor member using the etching solution | Electricity | 58 | Expired |
| US6246068A | Semiconductor article with porous structure | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6616552B2 | Golf ball | Human Necessities | 53 | Expired |
| US6313014A | Semiconductor substrate and manufacturing method of semiconductor substrate | Electricity | 52 | Expired |
| US6121117A | Process for producing semiconductor substrate by heat treating | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6180497A | Method for producing semiconductor base members | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5970361A | Process for producing semiconductor device having porous regions | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6103598A | Process for producing semiconductor substrate | Electricity | 35 | Expired |
| US6605518B1 | Method of separating composite member and process for producing thin film | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6309945A | Process for producing semiconductor substrate of SOI structure | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6593211B2 | Semiconductor substrate and method for producing the same | Electricity | 29 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.