Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216923 | Metal and graphite mold and method of making a crucible | Larry Baer, Carl Hagstrom | 2015-12-22 |
| 9003832 | Method of making a silica crucible in a controlled atmosphere | Thomas Kayser, Robert Joseph Coolich, Walter Lehmann | 2015-04-14 |
| 8496752 | Method and apparatus for venting gas between a crucible and a susceptor | Robert Joseph Coolich, Michael Randall Fallows | 2013-07-30 |
| 8361228 | Crucible having a doped upper wall portion and method for making the same | Yasuo Ohama | 2013-01-29 |
| 8272234 | Silica crucible with pure and bubble free inner crucible layer and method of making the same | Robert Joseph Coolich | 2012-09-25 |
| 7993556 | Method for making a silica glass crucible | Yasuo Ohama | 2011-08-09 |
| 7716948 | Crucible having a doped upper wall portion and method for making the same | Yasuo Ohama | 2010-05-18 |
| 7556764 | Silica vessel with nozzle and method of making | Yasuo Ohama | 2009-07-07 |
| 7427327 | Silica glass crucible with barium-doped inner wall | Yasuo Ohama | 2008-09-23 |
| 7383696 | Silica glass crucible with bubble-free and reduced bubble growth wall | Robert Mosier, Yasuo Ohama | 2008-06-10 |
| 7118789 | Silica glass crucible | Robert Mosier, Paul Spencer | 2006-10-10 |
| 6641663 | Silica crucible with inner layer crystallizer and method | Robert Mosier, Paul Spencer | 2003-11-04 |
| 6510707 | Methods for making silica crucibles | Takayuki Togawa, Robert Mosier, Paul Spencer | 2003-01-28 |
| 5968259 | High-purity quartz glass and method for the preparation thereof | Hiroyuki Miyazawa, Hiroyuki Watanabe, Kiyotaka Maekawa, Chuzaemon Tsuji, Manabu Saitou | 1999-10-19 |
| 5877027 | Method for the analysis of impurity contents in silicon dioxide | Kiyotaka Maekawa, Chuzaemon Tsuji, Manabu Saitou, Hiroyuki Miyazawa, Hiroyuki Watanabe | 1999-03-02 |
| 5807416 | Silica glass member with glassy carbon coating method for producing the same | Dietmar Hellmann, Christian Gebauer | 1998-09-15 |
| 5730800 | Fused silica glass crucible | Wataru Sato, Masahiro Sakurada, Ohta Tomohiko | 1998-03-24 |
| 5609682 | Method for the preparation of silicon single crystal | Wataru Sato, Masahiro Sakurada, Ohta Tomohiko | 1997-03-11 |