Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9467090 | Semiconductor device | Tsukasa Oishi, Naoki Otani | 2016-10-11 |
| 8963650 | Semiconductor device having on-chip oscillator for producing clock signal | Tsukasa Oishi, Naoki Otani | 2015-02-24 |
| 8264294 | Semiconductor device having on-chip oscillator for producing clock signal | Tsukasa Oishi, Naoki Otani | 2012-09-11 |
| 7728678 | Semiconductor device outputting oscillation signal | — | 2010-06-01 |
| 6937088 | Potential generating circuit capable of correctly controlling output potential | Takeshi Hamamoto | 2005-08-30 |
| 6812748 | Semiconductor device having substrate potential detection circuit less influenced by change in manufacturing conditions | — | 2004-11-02 |
| 6781443 | Potential generating circuit capable of correctly controlling output potential | Takeshi Hamamoto | 2004-08-24 |
| 6765432 | Semiconductor device with a low-power operation mode | — | 2004-07-20 |
| 6753720 | Internal high voltage generation circuit capable of stably generating internal high voltage and circuit element therefor | Takashi Kono, Kiyohiro Furutani | 2004-06-22 |
| 6714065 | Semiconductor device including power supply circuit conducting charge pumping operation | Yuichiro Komiya | 2004-03-30 |
| 6603695 | Semiconductor memory device having self-refresh mode | — | 2003-08-05 |
| 6492863 | Internal high voltage generation circuit capable of stably generating internal high voltage and circuit element therefor | Takashi Kono, Kiyohiro Furutani | 2002-12-10 |
| 6377074 | Semiconductor device having a constant-current source circuit | Takashi Kono | 2002-04-23 |
| 6333880 | Semiconductor memory device capable of detecting high-voltage test command signal | — | 2001-12-25 |
| 6320810 | Semiconductor memory device allowing reduction in current consumption | Takashi Kono | 2001-11-20 |
| 6297624 | Semiconductor device having an internal voltage generating circuit | Kiyohiro Furutani, Takashi Kono | 2001-10-02 |
| 6262931 | Semiconductor memory device having voltage down convertor reducing current consumption | Takashi Kono, Kiyohiro Furutani, Takeshi Hamamoto | 2001-07-17 |
| 6229753 | Semiconductor memory device capable of accurate control of internally produced power supply potential | Takashi Kono | 2001-05-08 |
| 6201437 | Internal high voltage generation circuit capable of stably generating internal high voltage and circuit element therefor | Takashi Kono, Kiyohiro Furutani | 2001-03-13 |
| 6195298 | Semiconductor integrated circuit capable of rapidly rewriting data into memory cells | Kiyohiro Furutani | 2001-02-27 |
| 6121806 | Circuit for adjusting a voltage level in a semiconductor device | Takashi Kono, Takayuki Miyamoto, Shinichi Jinbo | 2000-09-19 |
| 6091648 | Voltage generating circuit for semiconductor integrated circuit device | Kiyohiro Furutani | 2000-07-18 |
| 5999009 | Semiconductor integrated circuit with an internal voltage generating circuit requiring a reduced occupied area | — | 1999-12-07 |
| 5480838 | Method of manufacturing a semiconductor device having vertical transistor with tubular double-gate | — | 1996-01-02 |
| 5407867 | Method of forming a thin film on surface of semiconductor substrate | Masanobu Iwasaki, Hiromi Itoh, Akira Tokui, Katsuhiro Tsukamoto | 1995-04-18 |