Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826712 | Memory device having redundant cells | — | 2004-11-30 |
| 6246616 | Memory device having redundancy cells | Eiichi Nagai | 2001-06-12 |
| 6229728 | Ferroelectric memory and method of testing the same | Hirokazu Yamazaki | 2001-05-08 |
| 5138199 | Level conversion circuit for converting ECL-level signal into TTL-level signal | Michiyuki Hirata, Osamu Nomura, Toru Fukui, Susumu Terawaki | 1992-08-11 |
| 4815037 | Bipolar type static memory cell | Kazuhiro Toyoda | 1989-03-21 |
| 4636831 | Semiconductor device | Yoshinori Okajima | 1987-01-13 |
| 4525812 | Semiconductor memory device | Kazuhiro Toyoda | 1985-06-25 |
| 4419745 | Semiconductor memory device | Kazuhiro Toyoda | 1983-12-06 |
| 4374431 | I.sup.2 L Semiconductor memory circuit device | Kazuhiro Toyoda | 1983-02-15 |
| 4373195 | Semiconductor integrated circuit device | Kazuhiro Toyoda, Toshio Hayashi | 1983-02-08 |
| 4231108 | Semiconductor integrated circuit device | Masao Suzuki, Toshio Hayashi, Kuniyasu Kawarada, Kazuhiro Toyoda | 1980-10-28 |
| 4231109 | Semiconductor integrated circuit device | Kazuhiro Toyoda | 1980-10-28 |
| 4228525 | Semiconductor integrated circuit device | Kuniyasu Kawarada, Masao Suzuki, Kazuhiro Toyoda | 1980-10-14 |