Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211130 | Semiconductor device | Masaru Koyanagi, Mikihiko Ito, Kei Shiraishi, Fumiya Watanabe | 2021-12-28 |
| 11121710 | Semiconductor device | Masaru Koyanagi, Yutaka Takayama | 2021-09-14 |
| 11087852 | Semiconductor storage device and memory system | Yumi Takada, Kenta SHIBASAKI, Yousuke Hagiwara | 2021-08-10 |