Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905196 | Mold and method for manufacturing quartz glass crucible | Jiro Sawazaki, Katsumi Taniguchi | 2024-02-20 |
| 8555674 | Quartz glass crucible for silicon single crystal pulling operation and process for manufacturing the same | — | 2013-10-15 |
| 8361228 | Crucible having a doped upper wall portion and method for making the same | Katsuhiko Kemmochi | 2013-01-29 |
| 8277559 | Quartz glass crucible for pulling up silicon single crystal and method for manufacture thereof | — | 2012-10-02 |
| 7993556 | Method for making a silica glass crucible | Katsuhiko Kemmochi | 2011-08-09 |
| 7716948 | Crucible having a doped upper wall portion and method for making the same | Katsuhiko Kemmochi | 2010-05-18 |
| 7686887 | Quartz glass crucible for pulling up silicon single crystal and method for producing the same | Takayuki Togawa | 2010-03-30 |
| 7587912 | Method for producing quartz glass crucible for use in pulling silicon single crystal and quartz glass crucible produced by said method | Hiroshi Matsui | 2009-09-15 |
| 7556764 | Silica vessel with nozzle and method of making | Katsuhiko Kemmochi | 2009-07-07 |
| 7427327 | Silica glass crucible with barium-doped inner wall | Katsuhiko Kemmochi | 2008-09-23 |
| 7383696 | Silica glass crucible with bubble-free and reduced bubble growth wall | Katsuhiko Kemmochi, Robert Mosier | 2008-06-10 |
| 7299658 | Quartz glass crucible for the pulling up of silicon single crystal | Takayuki Togawa, Shigeo Mizuno | 2007-11-27 |
| 7074731 | Method for producing hydrogen-doped silica powder, hydrogen-doped silica powder obtained from that method for use in a quartz glass crucible | Takayuki Togawa | 2006-07-11 |
| 6886364 | Method for producing quartz glass crucible | Shigeo Mizuno | 2005-05-03 |
| 6841210 | Multilayer structured quartz glass crucible and method for producing the same | Hiroshi Matsui | 2005-01-11 |
| 6797061 | Quartz glass crucible for pulling up silicon single crystal and production method therefor | Tatsuhiro Sato, Shigeo Mizuno | 2004-09-28 |