Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10852658 | Optical scanning device and image forming apparatus including the optical scanning device | — | 2020-12-01 |
| 10685715 | Nonvolatile semiconductor memory device which performs improved erase operation | Noboru Shibata | 2020-06-16 |
| 10643715 | Semiconductor memory device and memory system configured to perform tracking read on first memory cells followed by shift read on second memory cells using read voltage correction value determined during the tracking read | Hayato KONNO, Yoshikazu Harada, Kosuke Yanagidaira, Hiroe Kami, Yuko Utsunomiya | 2020-05-05 |
| RE47829 | Image forming apparatus and light guide member | Yosuke Saito, Hironobu Oi, Yoshinori Nakamura | 2020-01-28 |
| 10532584 | Laser scanning device, image forming apparatus, reflection surface identification method | — | 2020-01-14 |