Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436842 | Semiconductor wafer including a dot mark of a peculiar shape and method of forming the dot mark | Akira Mori | 2002-08-20 |
| 6437454 | Semiconductor base material having fine dot mark | Ryusuke Komura, Akira Mori | 2002-08-20 |