Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9003832 | Method of making a silica crucible in a controlled atmosphere | Katsuhiko Kemmochi, Thomas Kayser, Walter Lehmann | 2015-04-14 |
| 8496752 | Method and apparatus for venting gas between a crucible and a susceptor | Katsuhiko Kemmochi, Michael Randall Fallows | 2013-07-30 |
| 8272234 | Silica crucible with pure and bubble free inner crucible layer and method of making the same | Katsuhiko Kemmochi | 2012-09-25 |