Inventor
KOTOOKA TOSHIROU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KOTOOKA TOSHIROU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOMATSU DENSHI KINZOKU KK
11 patentsUS5900059AMay 4, 1999
Method and apparatus for fabricating semiconductor single crystal
KOMATSU DENSHI KINZOKU KK53 citations95
US6977010B2Dec 20, 2005
Apparatus for pulling single crystal by CZ method
KOMATSU DENSHI KINZOKU KK12 citations92
US6869478B2Mar 22, 2005
Method for producing silicon single crystal having no flaw
KOMATSU DENSHI KINZOKU KK29 citations92
US6858076B1Feb 22, 2005
Method and apparatus for manufacturing single-crystal ingot
KOMATSU DENSHI KINZOKU KK33 citations92
US6117402ASep 12, 2000
Device for manufacturing single crystals
KOMATSU DENSHI KINZOKU KK40 citations92
US5935326AAug 10, 1999
Apparatus for manufacturing semiconductor single crystals
KOMATSU DENSHI KINZOKU KK21 citations92
US7141113B1Nov 28, 2006
Production method for silicon single crystal and production device for single crystal ingot, and heat treating method for silicon crystal wafer
KOMATSU DENSHI KINZOKU KK22 citations91
US6572699B1Jun 3, 2003
Method and apparatus for detecting melt level
KOMATSU DENSHI KINZOKU KK16 citations84
US6569236B1May 27, 2003
Device and method for producing single-crystal ingot
KOMATSU DENSHI KINZOKU KK13 citations83
US6071341AJun 6, 2000
Apparatus for fabricating single-crystal silicon
KOMATSU DENSHI KINZOKU KK11 citations73
US6994748B2Feb 7, 2006
Method and apparatus for measuring melt level
KOMATSU DENSHI KINZOKU KK8 citations72