Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11996138 | Memory device | — | 2024-05-28 |
| 11776616 | DRAM memory device with oxide semiconductor access transistor and method of controlling plate line potential | — | 2023-10-03 |
| 11665882 | Semiconductor memory device | Mutsumi Okajima, Tsuneo Inaba, Shinji Miyano | 2023-05-30 |
| 11462542 | Semiconductor storage device | Keiji Ikeda | 2022-10-04 |
| 11238919 | Semiconductor storage device | — | 2022-02-01 |
| 10734448 | Convolutional neural network system employing resistance change memory cell array | — | 2020-08-04 |
| 9707663 | Polishing pad | Kuniyasu Shiro, Hiroyasu Kato, Hajime Nishimura, Satoshi Yanagisawa, Yukihiro Matsuzaki | 2017-07-18 |
| 8837240 | Semiconductor memory device and defective cell relieving method | Takayuki Iwai, Makoto Takahashi, Mariko Iizuka, Kimimasa Imai | 2014-09-16 |
| 8791750 | Constant voltage constant current generation circuit | — | 2014-07-29 |
| 8675431 | Semiconductor memory device and defective cell relieving method | Takayuki Iwai, Makoto Takahashi, Mariko Iizuka, Kimimasa Imai | 2014-03-18 |
| 8138807 | Power-on detecting circuit and level converting circuit | — | 2012-03-20 |
| 7944242 | Semiconductor integrated circuit having insulated gate field effect transistors | Takehiko Hojo | 2011-05-17 |
| 7782662 | Storage device | Takehiko Hojo | 2010-08-24 |
| 7315196 | Voltage generating circuit that produces internal supply voltage from external supply voltage | — | 2008-01-01 |
| 7005839 | Reference power supply circuit for semiconductor device | — | 2006-02-28 |
| 6977828 | DC-DC converter applied to semiconductor device | — | 2005-12-20 |
| 6888384 | Power-on detector, and power-on reset circuit using the same | — | 2005-05-03 |
| 6754122 | Semiconductor memory device having overdriven bit-line sense amplifiers | Kenji Tsuchida, Tsuneo Inaba, Toshimi Ikeda | 2004-06-22 |
| 6608514 | Clock signal generator circuit and semiconductor integrated circuit with the same circuit | Hironobu Akita, Katsuaki Isobe, Kenji Tsuchida, Haruki Toda | 2003-08-19 |
| 6487133 | Semiconductor device | Kenji Tsuchida, Atsushi Takeuchi | 2002-11-26 |
| 6483756 | Sequence circuit and semiconductor device using sequence circuit | Atsushi Takeuchi | 2002-11-19 |
| 6452860 | Semiconductor memory device having segment type word line structure | Kenji Tsuchida, Tsuneo Inaba, Atsushi Takeuchi, Toshimi Ikeda, Kuninori Kawabata | 2002-09-17 |
| 6433619 | Pump circuit boosting a supply voltage | Hironobu Akita, Kenji Tsuchida, Hironori Banba | 2002-08-13 |
| 6333658 | Analog synchronization circuit | Hironobu Akita, Satoshi Eto, Katsuaki Isobe, Haruki Toda | 2001-12-25 |
| 6326834 | Pump circuit boosting a supply voltage | Hironobu Akita, Kenji Tsuchida, Hironori Banba | 2001-12-04 |