Inventor · Tokyo, JP

Kensuke Okonogi

26Patents
9h-index
20Co-inventors
75Inventor score

Filing activity: Nov 29, 1993 → Feb 21, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5773152A SOI substrate having a high heavy metal gettering effect for semiconductor device Electricity 86 Expired
US6323109A Laminated SOI substrate and producing method thereof Emerging Cross-Sectional Technologies 27 Expired
US5420064A Method of manufacturing a dielectric isolation substrate Emerging Cross-Sectional Technologies 22 Expired
US6448157B1 Fabrication process for a semiconductor device Emerging Cross-Sectional Technologies 18 Expired
US6004406A Silicon on insulating substrate Emerging Cross-Sectional Technologies 18 Expired
US7846826B2 Method of manufacturing a semiconductor device with multilayer sidewall Electricity 13 Active
US5374582A Laminated substrate for semiconductor device and manufacturing method thereof Emerging Cross-Sectional Technologies 13 Expired
US5970366A Method of removing metallic contaminants from simox substrate Electricity 12 Expired
US5529947A Semiconductor device with clad substrate and fabrication process therefor Electricity 11 Expired
US5691231A Method of manufacturing silicon on insulating substrate Emerging Cross-Sectional Technologies 9 Expired
US5798294A Semiconductor substrate having a serious effect of gettering heavy metal and method of manufacturing the same Emerging Cross-Sectional Technologies 6 Expired
US6057036A Semiconductor substrate having a serious effect of gettering heavy metal and method of manufacturing the same Emerging Cross-Sectional Technologies 5 Expired
US5849102A Method of cleaning a surface of a semiconductor substrate by a heat treatment in an inert gas atmosphere Emerging Cross-Sectional Technologies 4 Expired
US7186632B2 Method of fabricating a semiconductor device having a decreased concentration of phosphorus impurities in polysilicon Electricity 3 Expired
US5726089A Semiconductor device and method for fabricating the same Electricity 3 Expired
US7129141B2 Method for manufacturing a semiconductor device having a low junction leakage current Electricity 2 Expired
US7151033B2 Method for manufacturing a semiconductor device having a low junction leakage current Electricity 2 Expired
US8704299B2 Semiconductor device and manufacturing method thereof Electricity 2 Active
US9236387B2 Semiconductor device and manufacturing method thereof Electricity 1 Active
US7338876B2 Method for manufacturing a semiconductor device Electricity 1 Expired
US7700431B2 Method for manufacturing a semiconductor device having polysilicon plugs Electricity 0 Active
US7666761B2 Semiconductor device and manufacturing method thereof Electricity 0 Active
US8674455B2 Semiconductor device Electricity 0 Active
US7737505B2 Semiconductor device and method of forming the same Electricity 0 Active
US7632696B2 Semiconductor chip with a porous single crystal layer and manufacturing method of the same Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.