Inventor
OHAMA YASUO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “OHAMA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HERAEUS SHIN ETSU AMERICA INC
6 patentsUS7383696B2Jun 10, 2008
Silica glass crucible with bubble-free and reduced bubble growth wall
HERAEUS SHIN ETSU AMERICA INC14 citations81
US7716948B2May 18, 2010
Crucible having a doped upper wall portion and method for making the same
HERAEUS SHIN ETSU AMERICA INC6 citations72
US7427327B2Sep 23, 2008
Silica glass crucible with barium-doped inner wall
HERAEUS SHIN ETSU AMERICA INC8 citations72
US8361228B2Jan 29, 2013
Crucible having a doped upper wall portion and method for making the same
HERAEUS SHIN ETSU AMERICA INC4 citations61
US7993556B2Aug 9, 2011
Method for making a silica glass crucible
HERAEUS SHIN ETSU AMERICA INC4 citations61
US7556764B2Jul 7, 2009
Silica vessel with nozzle and method of making
HERAEUS SHIN ETSU AMERICA INC5 citations61
HERAEUS QUARZGLAS
3 patentsUS6841210B2Jan 11, 2005
Multilayer structured quartz glass crucible and method for producing the same
HERAEUS QUARZGLAS13 citations84
US7686887B2Mar 30, 2010
Quartz glass crucible for pulling up silicon single crystal and method for producing the same
HERAEUS QUARZGLAS9 citations81
US7587912B2Sep 15, 2009
Method for producing quartz glass crucible for use in pulling silicon single crystal and quartz glass crucible produced by said method
HERAEUS QUARZGLAS7 citations73
SHINETSU QUARTZ PROD
3 patentsUS6886364B2May 3, 2005
Method for producing quartz glass crucible
SHINETSU QUARTZ PROD13 citations83
US6797061B2Sep 28, 2004
Quartz glass crucible for pulling up silicon single crystal and production method therefor
SHINETSU QUARTZ PROD8 citations73
US7074731B2Jul 11, 2006
Method for producing hydrogen-doped silica powder, hydrogen-doped silica powder obtained from that method for use in a quartz glass crucible
SHINETSU QUARTZ PROD2 citations60