Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353553 | Nonvolatile semiconductor memory device having structure storing multivalued data and data storage system comprising the nonvolatile semiconductor memory device | Satoru Tamada, Tatsuya Saeki | 2002-03-05 |
| 5467457 | Read only type semiconductor memory device including address coincidence detecting circuits assigned to specific address regions and method of operating the same | Kenji Kohda | 1995-11-14 |
| 5305275 | Semiconductor memory device capable of correct reading of data under variable supply voltage | Masayuki Yamashita, Tatsuki Furusho | 1994-04-19 |
| 5097152 | Buffer circuit used in a semiconductor device operating by different supply potentials and method of operating the same | Kenji Kohda, Tsuyoshi Toyama, Hiroyasu Makihara | 1992-03-17 |
| 5058071 | Semiconductor memory device having means for repairing the memory device with respect to possible defective memory portions | Kenji Kohda, Hiroyasu Makihara, Tsuyoshi Toyama | 1991-10-15 |
| 5003205 | Buffer circuit used in a semiconductor device operating by different supply potentials and method of operating the same | Kenji Kohda, Tsuyoshi Toyama, Hiroyasu Makihara | 1991-03-26 |