Inventor · Annaka City, JP

Hiroki Ose

8Patents
5h-index
6Co-inventors
48Inventor score

Filing activity: Aug 8, 1997 → Jan 22, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US6814811B2 Semiconductor wafer and vapor phase growth apparatus Emerging Cross-Sectional Technologies 270 Expired
US6454854B1 Semiconductor wafer and production method therefor Electricity 16 Expired
US6475627B1 Semiconductor wafer and vapor growth apparatus Emerging Cross-Sectional Technologies 11 Expired
US6589336B1 Production method for silicon epitaxial wafer and silicon epitaxial wafer Electricity 10 Expired
US5882401A Method for manufacturing silicon single crystal substrate for use of epitaxial layer growth Electricity 7 Expired
US7270708B2 Susceptor, vapor phase growth apparatus, epitaxial wafer manufacturing apparatus, epitaxial wafer manufacturing method, and epitaxial wafer Chemistry; Metallurgy 4 Expired
US7060944B2 Heat treatment device and heat treatment method Electricity 3 Expired
US6746941B2 Semiconductor wafer and production method therefor Electricity 0 Expired

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