Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768324 | Semiconductor device tester which measures information related to a structure of a sample in a depth direction | Keizo Yamada, Tohru Tsujide, Takeo Ushiki | 2004-07-27 |
| 6711453 | Production managing system of semiconductor device | Keizo Yamada, Takeo Ushiki, Tohru Tsujide | 2004-03-23 |