Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787797 | Semiconductor wafer and device for semiconductor device manufacturing process | Kiyoshi Demizu, Shigeyoshi Netsu | 2004-09-07 |
| 6726525 | Method and device for grinding double sides of thin disk work | Shunichi Ikeda, Kenji Ohkura | 2004-04-27 |