Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7582950 | Semiconductor chip having gettering layer, and method for manufacturing the same | Kazuhito Matsukawa, Tsuyoshi Koga, Akio Nishida, Jun Shibata, Hiroshi Tobimatsu | 2009-09-01 |
| 6295222 | Semiconductor memory device with two layers of bit lines | Shigeki Ohbayashi | 2001-09-25 |
| 6222758 | Semiconductor memory device having at least two layers of bit lines | — | 2001-04-24 |
| 6021081 | Semiconductor memory device having strobe buffer and output buffer | Tomohisa Wada, Yutaka Arita | 2000-02-01 |
| 5875089 | Input protection circuit device | Shigeki Ohbayashi | 1999-02-23 |