Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460858 | Mechanical seal | Munenari Kitajima, Masayuki Toyoshima | 2002-10-08 |
| 6441495 | Semiconductor device of stacked chips | Masaaki Hiromitsu | 2002-08-27 |
| 6413797 | Semiconductor device and method for making the same | Masaaki Hiromitsu | 2002-07-02 |