Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749824 | Chemical vapor deposition system for polycrystalline silicon rod production | Ronald O. Russell, Howard J. Dawson | 2004-06-15 |
| 6676916 | Method for inducing controlled cleavage of polycrystalline silicon rod | Edward W. Osborne, Halvor Kamrud | 2004-01-13 |
| 6544333 | Chemical vapor deposition system for polycrystalline silicon rod production | Ronald O. Russell, Howard J. Dawson | 2003-04-08 |
| 6221155 | Chemical vapor deposition system for polycrystalline silicon rod production | Ronald O. Russell, Howard J. Dawson | 2001-04-24 |
| RE36936 | Production of high-purity polycrystalline silicon rod for semiconductor applications | Kenichi Nagai, Yoshifumi Yatsurugi, Hiroshi Morihara, Junji Izawa, Renzin Paljor Yuthok | 2000-10-31 |
| 5545387 | Production of high-purity polycrystalline silicon rod for semiconductor applications | Kenichi Nagai, Yoshifumi Yatsurugi, Hiroshi Morihara, Junji Izawa | 1996-08-13 |
| 5478396 | Production of high-purity polycrystalline silicon rod for semiconductor applications | Kenichi Nagai, Yoshifumi Yatsurugi, Hiroshi Morihara, Junji Izawa | 1995-12-26 |
| 5357067 | Cam arrangement for use in rotary position indicators | — | 1994-10-18 |
| 5352858 | Hermetically sealed snap switch assembly with pre-use backfilling option | — | 1994-10-04 |