Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11798886 | Semiconductor device and method of manufacturing the same | Hirokazu Sayama, Junjiro Sakai | 2023-10-24 |
| 11502036 | Semiconductor device and method of manufacturing the same | Hirokazu Sayama, Junjiro Sakai | 2022-11-15 |
| 8298900 | Nonvolatile semiconductor storage device with charge storage layer and its manufacturing method | — | 2012-10-30 |
| 8207572 | Nonvolatile semiconductor memory device | Hiroaki Mizushima | 2012-06-26 |
| 7999306 | Nonvolatile semiconductor storage device with charge storage layer and its manufacturing method | — | 2011-08-16 |
| 7928491 | Semiconductor memory device having reference transistor and method of manufacturing the same | Masashi Nakata | 2011-04-19 |
| 6917071 | Semiconductor device, nonvolatile semiconductor storage apparatus using the device, and manufacture method of the device | — | 2005-07-12 |
| 6849490 | Semiconductor device having a memory cell region and a peripheral circuit region and method of manufacturing thereof | — | 2005-02-01 |
| 6268240 | Static semiconductor memory device capable of enhancing access speed | — | 2001-07-31 |
| 6178110 | Static semiconductor memory device capable of enhancing access speed | — | 2001-01-23 |
| 6093597 | SRAM having P-channel TFT as load element with less series-connected high resistance | — | 2000-07-25 |
| 5973369 | SRAM having P-channel TFT as load element with less series-connected high resistance | — | 1999-10-26 |
| 5965905 | Thin-film transistor and SRAM memory cell equipped therewith | — | 1999-10-12 |
| 5940715 | Method for manufacturing semiconductor device | — | 1999-08-17 |
| 5780909 | Semiconductor memory device with a two-layer top gate | — | 1998-07-14 |
| 5776804 | Process of fabricating semiconductor device having non-single crystal thin film transistor free from residual hydrogen left therein during hydrogen treatment stage | — | 1998-07-07 |
| 5536960 | VLSIC semiconductor memory device with cross-coupled inverters with improved stability to errors | — | 1996-07-16 |
| 5334863 | Semiconductor memory device having a meshlike grounding wiring | Masayoshi Ohkawa | 1994-08-02 |
| 5331170 | Static type random access memory device with stacked memory cell free from parasitic diode | — | 1994-07-19 |
| 4702958 | Laser recording film | Masanori Itoh | 1987-10-27 |