Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875291 | Method for producing a tin-zinc alloy film | Tatsumasa Kobayashi, Takeo Oki | 2005-04-05 |
| 6709719 | Method for producing a tin-zinc alloy film | Yoshihiko Masuo, Takeo Oki, Hirohiko Ohmura | 2004-03-23 |
| 6602354 | Method for producing a tin-nickel alloy film | Tatsumasa Kobayashi, Takeo Oki | 2003-08-05 |
| 6527881 | Method for producing a tin-nickel alloy film | Yoshihiko Masuo, Takeo Oki | 2003-03-04 |