Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7436712 | Nonvolatile memory device including circuit formed of thin film transistors | Tadaaki Yamauchi, Takashi Kubo | 2008-10-14 |
| 7365578 | Semiconductor device with pump circuit | Minoru Senda, Kiyohiro Furutani, Shigehiro Kuge, Satoshi Kawasaki, Tadaaki Yamauchi | 2008-04-29 |
| 7339831 | Non-volatile semiconductor memory device allowing efficient programming operation and erasing operation in short period of time | Hidenori Mitani, Fumihiko Nitta, Tadaaki Yamauchi | 2008-03-04 |
| 7307886 | Nonvolatile memory device including circuit formed of thin film transistors | Tadaaki Yamauchi, Takashi Kubo | 2007-12-11 |
| 7268612 | Semiconductor device with pump circuit | Minoru Senda, Kiyohiro Furutani, Shigehiro Kuge, Satoshi Kawasaki, Tadaaki Yamauchi | 2007-09-11 |
| 7248513 | Semiconductor memory device having memory block configuration | Tadaaki Yamauchi, Hidenori Mitani, Takashi Kubo, Kengo Aritomi | 2007-07-24 |
| 7230852 | Non-volatile semiconductor memory device allowing efficient programming operation and erasing operation in short period of time | Hidenori Mitani, Fumihiko Nitta, Tadaaki Yamauchi | 2007-06-12 |
| 7180362 | Semiconductor device with pump circuit | Minoru Senda, Kiyohiro Furutani, Shigehiro Kuge, Satoshi Kawasaki, Tadaaki Yamauchi | 2007-02-20 |
| 7164601 | Multi-level nonvolatile semiconductor memory device utilizing a nonvolatile semiconductor memory device for storing binary data | Hidenori Mitani, Tadaaki Yamauchi | 2007-01-16 |
| 7164602 | Nonvolatile semiconductor memory device including high efficiency and low cost redundant structure | Takeshi Hamamoto, Hidenori Mitani | 2007-01-16 |
| 7149115 | Nonvolatile memory device including circuit formed of thin film transistors | Tadaaki Yamauchi, Takashi Kubo | 2006-12-12 |
| 6760259 | Non-volatile semiconductor memory device that can be fabricated with erasure unit modified | Tomoshi Futatsuya, Takashi Hayasaka | 2004-07-06 |
| 6480057 | Charge pump circuit allowing efficient electric charge transfer | — | 2002-11-12 |
| 6429724 | Semiconductor device capable of generating a plurality of voltages | Masaaki Mihara | 2002-08-06 |
| 6414862 | Boosting circuit having a detecting portion for detecting the value of a power supply voltage | — | 2002-07-02 |
| 6349060 | Non-volatile semiconductor memory device having a stable read margin | — | 2002-02-19 |
| 6229740 | Voltage generation circuit having boost function and capable of preventing output voltage from exceeding prescribed value, and semiconductor memory device provided therewith | — | 2001-05-08 |
| 6181629 | Semiconductor memory device incorporating potential generation circuit with rapid rise of output potential | — | 2001-01-30 |
| 6147547 | Charge pump circuit capable of generating positive and negative voltages and nonvolatile semiconductor memory device comprising the same | Masaaki Mihara | 2000-11-14 |
| 5991197 | Semiconductor memory device having data protection feature | Atsushi Ohba, Tsuyoshi Honma, Kazuo Kobayashi | 1999-11-23 |
| 5943266 | Semiconductor integrated circuit device employing a programming circuit having increased immunity to gate disturbance and method of programming therefor | Shinichi Kobayashi | 1999-08-24 |