Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646330 | Lead frame for semiconductor device, process for producing the same and semiconductor device using the same | Takashi Kubara, Hisahiro Tanaka, Matsuo Masuda | 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 | Hisahiro Tanaka, Matsuo Masuda | 2003-06-10 |