Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183256 | Semiconductor memory device and memory state detecting method | Koichi Shinohara, Ian Christopher Gamara, Yoshikazu Harada, Noritaka Kai, Yusuke Tanefusa | 2021-11-23 |
| 10346068 | Memory system and method of performing a read operation on a memory cell of a non-volatile semiconductor storage device including a plurality of blocks of memory | Hiroyuki Ishii, Yuji Nagai, Yukihiro Utsuno | 2019-07-09 |
| 9665426 | Semiconductor device and reading method | Jiezhi Chen, Kuniharu Takahashi, Hiroyuki Nagashima, Yuichiro Mitani, Kazunori Kanebako | 2017-05-30 |
| 8648628 | Differential output buffer | Junichiro Shirai | 2014-02-11 |
| 8384441 | Semiconductor integrated circuit having a squelch circuit | — | 2013-02-26 |
| 8030961 | Semiconductor integrated circuit | — | 2011-10-04 |
| 7843089 | Semiconductor device | Mikihiko Ito, Masaru Koyanagi | 2010-11-30 |
| 7808269 | Semiconductor integrated circuit | — | 2010-10-05 |
| 7368939 | Data input/output circuit included in semiconductor memory device | Mikihiko Ito | 2008-05-06 |
| 7206242 | Semiconductor memory | Kazuhide Yoneya, Masaru Koyanagi | 2007-04-17 |
| 6801144 | Semiconductor memory device inputting/outputting data synchronously with clock signal | Masaru Koyanagi, Kazuhide Yoneya, Toshiki Hisada | 2004-10-05 |
| 6714615 | MOS-type semiconductor integrated circuit | Masaru Koyanagi | 2004-03-30 |
| 6700411 | MOS-type semiconductor integrated circuit | Masaru Koyanagi | 2004-03-02 |
| 6563351 | Semiconductor integrated circuit having output buffer | Tadashi Onizawa, Natsuki Kushiyama, Masaru Koyanagi | 2003-05-13 |
| 6510087 | Semiconductor memory device | Manami Kudou, Kazuhide Yoneya, Masaru Koyanagi, Toshiki Hisada | 2003-01-21 |
| 6498741 | Semiconductor memory device | Kazuhide Yoneya, Toshiki Hisada, Masaru Koyanagi, Natsuki Kushiyama, Kaoru Nakagawa +1 more | 2002-12-24 |
| 6480034 | MOS-type semiconductor integrated circuit | Masaru Koyanagi | 2002-11-12 |
| 6198649 | Semiconductor memory device | Kazuhide Yoneya, Toshiki Hisada, Masaru Koyanagi, Natsuki Kushiyama, Kaoru Nakagawa +1 more | 2001-03-06 |