Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12243869 | Semiconductor device and semiconductor storage device | Maya INAGAKI | 2025-03-04 |
| 11728642 | Semiconductor device and protection circuit | Shigefumi Ishiguro, Takeshi Miyaba, Kimimasa Imai, Maya INAGAKI | 2023-08-15 |
| 11004521 | Semiconductor device and semiconductor memory device | Masaru Koyanagi, Kensuke Yamamoto, Ryo Fukuda | 2021-05-11 |
| 10586599 | Semiconductor storage device | Kenro Kubota, Shouichi Ozaki | 2020-03-10 |
| 10360982 | Semiconductor memory device | Masaru Koyanagi, Satoshi Inoue, Kenro Kubota | 2019-07-23 |
| 10121778 | Semiconductor device | Taichi Wakui, Yuui Shimizu | 2018-11-06 |
| 9401324 | Semiconductor device having an on die termination circuit | Masaru Koyanagi | 2016-07-26 |
| 9218859 | Semiconductor memory device | Yuui Shimizu | 2015-12-22 |
| 8861287 | Interface circuit | Yuui Shimizu, Masaru Koyanagi | 2014-10-14 |
| 8405432 | Output buffer circuit, input buffer circuit, and input/output buffer circuit | Masaru Koyanagi, Yasufumi Kajiyama, Ryo Fukuda, Fumiyoshi Matsuoka | 2013-03-26 |
| 8242812 | Buffer circuit | Masaru Koyanagi, Fumiyoshi Matsuoka | 2012-08-14 |
| 7772814 | Step-down circuit | Katsumi Abe | 2010-08-10 |
| 7576523 | Power supply circuit and semiconductor memory | Mikio Ogawa | 2009-08-18 |
| 7173479 | Semiconductor integrated circuit device | — | 2007-02-06 |
| 6999356 | Semiconductor device capable of readjusting a reference potential during the reliabilty test | Eiji Kozuka, Kazuaki Kawaguchi, Mikio Miyata | 2006-02-14 |
| 6519198 | Semiconductor memory device | Masaru Koyanagi | 2003-02-11 |
| 6046955 | Semiconductor memory device with testable spare columns and rows | Shigeo Ohshima | 2000-04-04 |
| 5914899 | Semiconductor memory having a page mode in which previous data in an output circuit is reset before new data is supplied | — | 1999-06-22 |