Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842118 | Recycling method for scrap silicon | Norichika Yamauchi | 2010-11-30 |
| 7815882 | Method and apparatus for refining boron-containing silicon using an electron beam | Norichika Yamauchi, Masafumi Maeda | 2010-10-19 |
| 7799133 | Crucible apparatus and method of solidifying a molten material | Norichika Yamauchi | 2010-09-21 |
| 7704478 | Method and apparatus for refining silicon using an electron beam | Norichika Yamauchi, Minoru Mori | 2010-04-27 |
| 7687019 | Refining apparatus for scrap silicon using an electron beam | Norichika Yamauchi | 2010-03-30 |
| 7632329 | Method of refining scrap silicon using an electron beam | Norichika Yamauchi | 2009-12-15 |
| 7526388 | Method of selecting and analyzing scrap silicon | Norichika Yamauchi | 2009-04-28 |
| 7195184 | Method of crushing silicon blocks | Norichika Yamauchi | 2007-03-27 |
| 6213622 | Step lighting for theaters and the like | William F. Ryczek | 2001-04-10 |
| RE37113 | Step lighting | — | 2001-03-27 |
| 6145996 | Theater lighting system | — | 2000-11-14 |
| 6074067 | Fixing and covering structure for a reflection mirror | — | 2000-06-13 |
| 5930059 | Reflection mirror equipped with a luminance sensor | — | 1999-07-27 |
| D399514 | Reflecting mirror | — | 1998-10-13 |
| D399513 | Reflecting mirror | — | 1998-10-13 |
| 5810468 | Step lighting | — | 1998-09-22 |
| 4869864 | Method of manufacturing polybutylene terephthalate resin films | Kotaro Taniguchi, Shigekazu Tanimoto, Shigeru Nedzu | 1989-09-26 |