Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5752270 | Method of executing read and write operations in a synchronous random access memory | — | 1998-05-12 |
| 5724292 | Static Semiconductor memory device | — | 1998-03-03 |
| 5699308 | Semiconductor memory device having two layers of bit lines arranged crossing with each other | Motomu Ukita | 1997-12-16 |
| 5687111 | Static type semiconductor memory device capable of operating at a low voltage and reducing a memory cell area | Kunihiko Kozaru, Toru Shiomi | 1997-11-11 |
| 5663905 | Semiconductor memory device comprising two kinds of memory cells operating in different access speeds and methods of operating and manufacturing the same | Ryuichi Matsuo, Kazutoshi Hirayama, Shigeki Ohbayashi | 1997-09-02 |
| 5659515 | Semiconductor memory device capable of refresh operation in burst mode | Ryuichi Matsuo | 1997-08-19 |
| 5568432 | Semiconductor memory device including redundancy memory cell remedying defective memory cell | — | 1996-10-22 |
| 5563820 | Semiconductor memory device having two layers of bit lines arranged crossing with each other | Motomu Ukita | 1996-10-08 |
| 5546352 | Semiconductor memory device having decoder | Hirotoshi Sato | 1996-08-13 |
| 5546345 | Semiconductor memory device having bipolar transistor | Motomu Ukita | 1996-08-13 |
| 5528545 | Semiconductor memory device | Jun Takahashi | 1996-06-18 |
| 5515325 | Synchronous random access memory | — | 1996-05-07 |
| 5487041 | Semiconductor memory device which can be programmed to indicate defective memory cell | — | 1996-01-23 |
| 5471427 | Circuit for repairing defective bit in semiconductor memory device and repairing method | Shuji Murakami, Kenji Anami | 1995-11-28 |
| 5379248 | Semiconductor memory device | Kenji Anami, Shuji Murakami | 1995-01-03 |
| 5379258 | Circuit for repairing defective bit in semiconductor memory device and repairing method | Shuji Murakami, Kenji Anami | 1995-01-03 |
| 5307307 | Semiconductor memory device having improved bit line arrangement | Katsuki Ichinose | 1994-04-26 |
| 5301155 | Multiblock semiconduction storage device including simultaneous operation of a plurality of block defect determination circuits | Shuji Murakami | 1994-04-05 |
| 5280441 | Semiconductor memory device | Kenji Anami, Shuji Murakami | 1994-01-18 |
| 5200918 | Static semiconductor memory with polysilicon source drain transistors | Masahide Inuishi | 1993-04-06 |
| 5177573 | Semiconductor integrated circuit device | Motomu Ukita, Kenji Anami | 1993-01-05 |
| 5166763 | Static type semiconductor memory device and method of manufacturing thereof | Masahide Inuishi | 1992-11-24 |
| 5134585 | Circuit for repairing defective bit in semiconductor memory device and repairing method | Shuji Murakami, Kenji Anami | 1992-07-28 |
| 5020029 | Static semiconductor memory device with predetermined threshold voltages | Katsuki Ichinose | 1991-05-28 |
| 4988888 | CMOS output circuit with intermediate potential setting means | Toshihiko Hirose | 1991-01-29 |