Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10115680 | Semiconductor memory device and method for manufacturing the same | — | 2018-10-30 |
| 6995320 | Wiring board and a packaging assembly using the same | Isao Ozawa | 2006-02-07 |
| 6713869 | Wiring pattern of semiconductor device | Toshitsune Iijima | 2004-03-30 |
| 5178667 | Dry process for refining zinc sulfide concentrates | Nobumasa Kemori, Akihiko Akada, Hitoshi Takano, Masaru Takebayashi | 1993-01-12 |