Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461427 | Barium doping of molten silicon for use in crystal growing process | Richard J. Phillips, John D. Holder | 2002-10-08 |
| 6350312 | Strontium doping of molten silicon for use in crystal growing process | Richard J. Phillips, John D. Holder | 2002-02-26 |
| 6319313 | Barium doping of molten silicon for use in crystal growing process | Richard J. Phillips, John D. Holder | 2001-11-20 |
| 6187089 | Tungsten doped crucible and method for preparing same | Richard J. Phillips | 2001-02-13 |