Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6965166 | Semiconductor device of chip-on-chip structure | Yoshikazu Nakagawa, Koji Yamamoto | 2005-11-15 |
| 6897091 | Semiconductor device and manufacturing method thereof | Yoshikazu Nakagawa, Nobuhisa Kumamoto | 2005-05-24 |
| 6869829 | Semiconductor chip, chip-on-chip structure device, and assembling method thereof | Koji Yamamoto, Isamu Nishimura, Nobuhisa Kumamoto | 2005-03-22 |
| 6842859 | Authentication system, authentication device, authentication data producing device, and authentication method | Yoshihiro Ikefuji, Shigemi Chimura | 2005-01-11 |
| 6838312 | Semiconductor device having a primary chip with bumps in joined registration with bumps of a plurality of secondary chips | Koji Yamamoto | 2005-01-04 |