Inventor
HIRAISHI YOSHINOBU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “HIRAISHI YOSHINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOMATSU DENSHI KINZOKU KK
19 patentsUS4038370AJul 26, 1977
Method of producing high-purity transparent vitreous silica
KOMATSU DENSHI KINZOKU KK56 citations93
US6977010B2Dec 20, 2005
Apparatus for pulling single crystal by CZ method
KOMATSU DENSHI KINZOKU KK12 citations92
US5766347AJun 16, 1998
Apparatus for fabricating a semiconductor single crystal
KOMATSU DENSHI KINZOKU KK35 citations91
US5911826AJun 15, 1999
Method for pulling crystal
KOMATSU DENSHI KINZOKU KK19 citations88
US6068699AMay 30, 2000
Apparatus for fabricating semiconductor single crystal
KOMATSU DENSHI KINZOKU KK16 citations83
US5857840AJan 12, 1999
Vacuum pump with a centrifugal dust collector and a metal mesh dust collector mounted in parallel
KOMATSU DENSHI KINZOKU KK17 citations82
US5938843AAug 17, 1999
Apparatus for pulling up crystal bodies
KOMATSU DENSHI KINZOKU KK11 citations73
US5886737AMar 23, 1999
Method for detecting the optimal melt temperature in the single-crystal semiconductor manufacturing process and apparatus thereof
KOMATSU DENSHI KINZOKU KK11 citations73
US5725660AMar 10, 1998
Semiconductor single crystal growing apparatus
KOMATSU DENSHI KINZOKU KK14 citations73
US5876495AMar 2, 1999
Method of pulling semiconductor single crystals
KOMATSU DENSHI KINZOKU KK7 citations72
US5824153AOct 20, 1998
Apparatus with movable arms for holding a single-crystal semiconductor ingot
KOMATSU DENSHI KINZOKU KK11 citations72
US5935325AAug 10, 1999
Apparatus for manufacturing a single crystal
KOMATSU DENSHI KINZOKU KK12 citations69
US5800612ASep 1, 1998
Single-crystal semiconductor pulling apparatus
KOMATSU DENSHI KINZOKU KK12 citations68
US5935322AAug 10, 1999
Method of pulling up a single crystal semiconductor
KOMATSU DENSHI KINZOKU KK4 citations62
US5785757AJul 28, 1998
Apparatus for fabricating a single-crystal
KOMATSU DENSHI KINZOKU KK2 citations62
US5858088AJan 12, 1999
Device for lifting crystal bodies
KOMATSU DENSHI KINZOKU KK5 citations61
US5997641ADec 7, 1999
Seed-crystal holder for single-crystal pulling devices with magnetic field applied thereto
KOMATSU DENSHI KINZOKU KK2 citations56
US8002893B2Aug 23, 2011
Apparatus for pulling single crystal by CZ method
KOMATSU DENSHI KINZOKU KK0 citations51
US5932008AAug 3, 1999
Apparatus for manufacturing a single-crystal and method of manufacturing a single-crystal using the same
KOMATSU DENSHI KINZOKU KK1 citations51