Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6988382 | Method for manufacturing glass-base-material by measuring the weight of the material | Tadakatsu Shimada, Hideo Hirasawa | 2006-01-24 |
| 6941772 | Apparatus and method for manufacturing glass-base-material | Tadakatsu Shimada, Hideo Hirasawa | 2005-09-13 |
| 5188501 | Wafer transfer system | Munenori Tomita | 1993-02-23 |