Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902395 | Method for feeding granular silicon material, feed pipe used in the method, and method of manufacturing a silicon monocrystal | Naoki Nagai, Isamu Harada, Michiaki Oda | 1999-05-11 |
| 5876496 | Method for feeding a granular raw material and feeding apparatus | Naoki Nagai, Atsushi Ozaki, Michiaki Oda | 1999-03-02 |
| 5855232 | Automatic metering/supplying apparatus for granular substances | Michiaki Oda, Shiniti Sugai | 1999-01-05 |