Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6909054 | Multilayer printed wiring board and method for producing multilayer printed wiring board | Hajime Sakamoto, Tadashi Sugiyama, Dongdong Wang | 2005-06-21 |
| 6889433 | Method of manufacturing printed-circuit board | Ryo Enomoto, Hajime Sakamoto | 2005-05-10 |