Inventor · Annaka City, JP

Koji Ebara

7Patents
2h-index
6Co-inventors
40Inventor score

Filing activity: Jul 10, 2001 → Jan 7, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6589336B1 Production method for silicon epitaxial wafer and silicon epitaxial wafer Electricity 10 Expired
US6914442B2 Method for measuring resistivity of semiconductor wafer Physics 2 Expired
US8377202B2 Method for manufacturing silicon wafer and silicon wafer manufactured by this method Electricity 1 Active
US9252025B2 Method for manufacturing silicon single crystal wafer and electronic device Electricity 0 Active
US7839426B2 Time recorder Physics 0 Active
US10297463B2 Method for manufacturing silicon wafer Electricity 0 Active
US9390905B2 Method for manufacturing silicon substrate and silicon substrate Emerging Cross-Sectional Technologies 0 Active

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