Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11569256 | Memory device with transistors above memory stacks and manufacturing method of the memory device | Kiyomi Naruke, Mutsumi Okajima, Hidetoshi Saito, Hirofumi Inoue | 2023-01-31 |
| 9812498 | Semiconductor device | Jieyun Zhou | 2017-11-07 |
| 9778978 | Memory device and memory system with sensor | — | 2017-10-03 |
| 9218867 | Memory device and memory system with sensor | — | 2015-12-22 |
| 8233310 | Resistance-change memory | Katsuyuki Fujita | 2012-07-31 |
| 8134349 | Power supply circuit that outputs a voltage stepped down from a power supply voltage | Hidehiro Shiga, Daisaburo Takashima | 2012-03-13 |
| 8125816 | Semiconductor storage device | Ryousuke Takizawa | 2012-02-28 |
| 8085573 | Ferroelectric memory | — | 2011-12-27 |
| 7830696 | Ferroelectric semiconductor storage device | — | 2010-11-09 |
| 7795953 | Voltage step-down circuit | Ryu Ogiwara, Daisaburo Takashima | 2010-09-14 |
| 7765455 | Semiconductor memory device | Katsuhiko Hoya | 2010-07-27 |
| 7724581 | Discharge order control circuit and memory device | Ryu Ogiwara, Daisaburo Takashima | 2010-05-25 |
| 7487370 | Semiconductor device and system | Yukihito Oowaki, Hiroyuki Hara, Tetsuya Fujita, Fumitoshi Hatori, Masataka Matsui | 2009-02-03 |
| 7417489 | Semiconductor integrated circuit having controller controlling the change rate of power voltage | Tetsuya Fujita, Fumitoshi Hatori, Mototsugu Hamada, Hiroyuki Hara | 2008-08-26 |
| 7408824 | Ferroelectric memory with spare memory cell array and ECC circuit | Katsuhiko Hoya | 2008-08-05 |
| 7397685 | Semiconductor memory device having error checking and correcting circuit | Katsuhiko Hoya, Daisaburo Takashima | 2008-07-08 |
| 7397687 | Ferroelectric memory device having ferroelectric capacitor | Hidehiro Shiga, Daisaburo Takashima | 2008-07-08 |
| 7352227 | Semiconductor device having plurality of circuits belonging to different voltage domains | Hiroyuki Hara | 2008-04-01 |
| 7315194 | Booster circuit | Hidehiro Shiga, Daisaburo Takashima | 2008-01-01 |
| 7286424 | Semiconductor integrated circuit device | Kuninori Kawabata, Akira Kikutake | 2007-10-23 |
| 7269049 | Ferroelectric random access memory device | Hidehiro Shiga, Daisaburo Takashima | 2007-09-11 |
| 7236035 | Semiconductor device adapted to minimize clock skew | Yukihito Oowaki, Fumitoshi Hatori, Mototsugu Hamada, Hiroyuki Hara | 2007-06-26 |
| 7218546 | Integrated circuit device provided with series-connected TC parallel unit ferroelectric memory and method for testing the same | Tadashi Miyakawa, Daisaburo Takashima | 2007-05-15 |
| 7138674 | Semiconductor memory device | Hidehiro Shiga, Daisaburo Takashima | 2006-11-21 |
| 7127598 | Semiconductor device comprising transition detecting circuit and method of activating the same | Kohei Oikawa, Yoshiaki Takeuchi, Daisaburo Takashima, Thomas Roehr | 2006-10-24 |