Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666964 | Method of manufacturing a circuit board | — | 2003-12-23 |
| 6646330 | Lead frame for semiconductor device, process for producing the same and semiconductor device using the same | Takashi Kubara, Matsuo Masuda, Tsuyoshi Tokiwa | 2003-11-11 |
| 6575354 | Method for producing tin-silver alloy plating film, the tin-silver alloy plating film and lead frame for electronic parts having the film | Matsuo Masuda, Tsuyoshi Tokiwa | 2003-06-10 |
| 6521358 | Lead frame for semiconductor device and method of producing same | Masanori Ikari | 2003-02-18 |