Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8338758 | Heater power control circuit and burn-in apparatus using the same | Tadahiro Kurasawa | 2012-12-25 |
| 7839158 | Method of detecting abnormality in burn-in apparatus | Tadahiro Kurasawa | 2010-11-23 |
| 7554350 | Burn-in system with heating blocks accommodated in cooling blocks | Kazunari Suga, Toru Honobe, Seigo Matsunaga | 2009-06-30 |
| 7397258 | Burn-in system with heating blocks accommodated in cooling blocks | Kazunari Suga, Toru Honobe, Seigo Matsunaga | 2008-07-08 |
| 6163759 | Method for calibrating variable delay circuit and a variable delay circuit using the same | — | 2000-12-19 |
| 5646948 | Apparatus for concurrently testing a plurality of semiconductor memories in parallel | Shinichi Kobayashi, Toshimi Ohsawa, Tadashi Okazaki, Junichi Kanai, Tadahiko Baba | 1997-07-08 |