Inventor · Hiratsuka, JP

Toshiaki Saishoji

10Patents
4h-index
26Co-inventors
56Inventor score

Filing activity: Jul 9, 1996 → May 31, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7141113B1 Production method for silicon single crystal and production device for single crystal ingot, and heat treating method for silicon crystal wafer Chemistry; Metallurgy 11 Expired
US6869478B2 Method for producing silicon single crystal having no flaw Emerging Cross-Sectional Technologies 11 Expired
US5824152A Semiconductor single-crystal pulling apparatus Emerging Cross-Sectional Technologies 10 Expired
US6977010B2 Apparatus for pulling single crystal by CZ method Emerging Cross-Sectional Technologies 4 Expired
US6042646A Simple method for detecting temperature distributions in single crystals and method for manufacturing silicon single crystals by employing the simple method Emerging Cross-Sectional Technologies 3 Expired
US6179910A Method for manufacturing silicon single crystals and wafers adapted for producing semiconductors Chemistry; Metallurgy 3 Expired
US6056931A Silicon wafer for hydrogen heat treatment and method for manufacturing the same Chemistry; Metallurgy 2 Expired
US6273944A Silicon wafer for hydrogen heat treatment and method for manufacturing the same Chemistry; Metallurgy 2 Expired
US5948159A Method of controlling defects of a silicon single crystal Chemistry; Metallurgy 2 Expired
US7727334B2 Apparatus for pulling single crystal by CZ method Emerging Cross-Sectional Technologies 1 Active

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