Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632714 | Method for manufacturing semiconductor memory | — | 2003-10-14 |
| 6335554 | Semiconductor Memory | — | 2002-01-01 |
| 5734612 | Semiconductor memory device with a plurality of memory cells connected to bit lines and method of adjusting the same | — | 1998-03-31 |
| 5679590 | Method for manufacturing contact hole for a nonvolatile semiconductor device | Seiichi Mori, Masaki Sato | 1997-10-21 |
| 5586073 | Semiconductor device having a multi-layer channel structure | Yohei Hiura, Seiji Yamada | 1996-12-17 |
| 5444655 | Non-volatile semiconductor memory device with a small distribution width of cell transistor threshold voltage after erasing data | — | 1995-08-22 |
| 5378910 | Memory transistor having increased interelectrode capacitance | — | 1995-01-03 |
| 5365098 | Non-volatile semiconductor memory having improved erasure characteristics | Junichi Miyamoto, Kiyomi Naruke | 1994-11-15 |
| 5304829 | Nonvolatile semiconductor device | Seiichi Mori | 1994-04-19 |
| 5229632 | Electrically erasable memory device having erase-electrode connected to substrate junction | — | 1993-07-20 |
| 5210044 | Method of manufacturing a floating gate type nonvolatile memory cell having an offset region | — | 1993-05-11 |
| 5159431 | Nonvolatile semiconductor device with a trench isolator | — | 1992-10-27 |
| 5053840 | Semiconductor device having a gate electrode consisting of a plurality of layers | — | 1991-10-01 |
| 5025417 | Semiconductor memory device capable of preventing data of non-selected memory cell from being degraded | Junichi Miyamoto, Nobuaki Ohtsuka, Seiichi Mori | 1991-06-18 |
| 5015601 | Method of manufacturing a nonvolatile semiconductor device | — | 1991-05-14 |
| 4929988 | Non-volatile semiconductor memory device and method of the manufacture thereof | — | 1990-05-29 |
| 4925807 | Method of manufacturing a semiconductor device | — | 1990-05-15 |
| 4885261 | Method for isolating a semiconductor element | — | 1989-12-05 |
| 4881108 | Semiconductor device | — | 1989-11-14 |