Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917076 | Semiconductor device, a method of manufacturing the semiconductor device and a method of deleting information from the semiconductor device | Kohei Eguchi, Yuichi Egawa, Hideki Fujikake, Wataru Yokozeki, Tatsuya Kawamata | 2005-07-12 |
| 6657229 | Semiconductor device having multiple transistors sharing a common gate | Kohei Eguchi, Yuichi Egawa, Hideki Fujikake, Wataru Yokozeki, Tatsuya Kawamata | 2003-12-02 |
| 6468887 | Semiconductor device and a method of manufacturing the same | Tatsuya Kawamata | 2002-10-22 |
| 6313509 | Semiconductor device and a MOS transistor for circuit protection | — | 2001-11-06 |
| 6288431 | Semiconductor device and a method of manufacturing the same | Tatsuya Kawamata | 2001-09-11 |
| 6124638 | Semiconductor device and a method of manufacturing the same | — | 2000-09-26 |
| 6060350 | Semiconductor memory device having word line conductors provided at lower level than memory cell capacitor and method of manufacturing same | — | 2000-05-09 |
| 6051466 | Method of making a semiconductor device with a stacked cell structure | — | 2000-04-18 |
| 5959319 | Semiconductor memory device having word line conductors provided at lower level than memory cell capacitor and method of manufacturing same | — | 1999-09-28 |
| 5814850 | Semiconductor device including a capacitor responsible for a power supply voltage to semiconductor device and capable of blocking an increased voltage | — | 1998-09-29 |
| 5798545 | Semiconductor storage device | Tomofune Tani | 1998-08-25 |
| 5747845 | Semiconductor memory device with memory cells each having transistor and capacitor and method of making the same | — | 1998-05-05 |
| 5686746 | Semiconductor memory device and a method of making the same | — | 1997-11-11 |
| 5663103 | Method of manufacturing an insulated-gate field-effect transistor in a semiconductor device in which source/drain electrodes are defined by formation of silicide on a gate electrode and a field-effect transistor | Takeshi Naganuma | 1997-09-02 |
| 5644151 | Semiconductor memory device and method for fabricating the same | Hirohiko Izumi | 1997-07-01 |
| 5596527 | Electrically alterable n-bit per cell non-volatile memory with reference cells | Yugo Tomioka, Yasuo Sato, Toshio Wada, Kenji Anzai | 1997-01-21 |
| 5572464 | Semiconductor memory device and method of using the same | — | 1996-11-05 |
| 5569947 | Insulated-gate field-effect transistor in a semiconductor device in which source/drain electrodes are defined by formation of silicide on a gate electrode and a field-effect transistor | Takeshi Naganuma | 1996-10-29 |
| 5530276 | Nonvolatile semiconductor memory device | — | 1996-06-25 |
| 5471423 | Non-volatile semiconductor memory device | — | 1995-11-28 |
| 5436481 | MOS-type semiconductor device and method of making the same | Yuichi Egawa, Toshio Wada | 1995-07-25 |
| 5424978 | Non-volatile semiconductor memory cell capable of storing more than two different data and method of using the same | Toshio Wada, Kenji Anzai, Yasuo Sato, Yuichi Egawa | 1995-06-13 |
| 5418743 | Method of writing into non-volatile semiconductor memory | Yugo Tomioka, Yasuo Sato, Toshio Wada, Kenji Anzai | 1995-05-23 |
| 5396120 | Semiconductor integrated unit | Kouhei Eguchi | 1995-03-07 |
| 5381028 | Nonvolatile semiconductor memory with raised source and drain | — | 1995-01-10 |