Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8339352 | Integrated circuit device and electronic instrument | Takashi Kumagai | 2012-12-25 |
| 8081149 | Integrated circuit device and electronic instrument | Takashi Kumagai | 2011-12-20 |
| 7554178 | Semiconductor device | Hiroyuki Nakanishi | 2009-06-30 |
| 7391668 | Integrated circuit device and electronic device | Kimihiro Maemura, Takashi Kumagai | 2008-06-24 |
| 6901009 | Booster circuit for non-volatile semiconductor memory device | — | 2005-05-31 |
| 6898120 | Nonvolatile semiconductor memory device | — | 2005-05-24 |
| 6868012 | System and methods for manufacturing non-volatile semiconductor memory apparatus | — | 2005-03-15 |
| 6801455 | Voltage generation circuit for non-volatile semiconductor memory device | — | 2004-10-05 |
| 6778446 | Non-volatile semiconductor memory apparatus | — | 2004-08-17 |
| 6762960 | Booster circuit for non-volatile semiconductor memory device | — | 2004-07-13 |
| 6717854 | Non-volatile semiconductor memory apparatus | — | 2004-04-06 |
| 6707716 | Non-volatile semiconductor memory device | — | 2004-03-16 |
| 6704224 | Non-volatile semiconductor memory apparatus | — | 2004-03-09 |
| 6697280 | Semiconductor capacitance device, booster circuit and nonvolatile semiconductor storage device | — | 2004-02-24 |