Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12293990 | Semiconductor integrated circuit comprising master chip with first buffer circuit and slave chiip with second buffer circuit | — | 2025-05-06 |
| 12100431 | Data storage device with symmetric split burst servo pattern | Guoxiao Guo, Kei Yasuna | 2024-09-24 |
| 12046266 | Energy-assisted magnetic recording data storage device with assistive energy pre-heating for writing servo patterns | Guoxiao Guo, Dan Wang, Xiaokun Chew | 2024-07-23 |
| 11972833 | Calibration circuit and semiconductor device including the same | — | 2024-04-30 |
| 11837311 | Integrated circuit, memory and operation method of memory | — | 2023-12-05 |
| 11335386 | Calibration circuit and semiconductor device including the same | — | 2022-05-17 |
| 11264080 | Semiconductor device and method for operating the same | — | 2022-03-01 |
| 11003389 | Memory device including memory chips and operation method thereof | — | 2021-05-11 |
| 10943638 | Semiconductor memory device and operating method thereof | — | 2021-03-09 |
| 10878865 | Memory device and signal transmitting circuit thereof | — | 2020-12-29 |
| 10545888 | Data inversion circuit | — | 2020-01-28 |
| 10402202 | Pipe latch circuit which controls output of data in a read operation and data output circuit including the same | — | 2019-09-03 |
| 10332573 | Semiconductor device and semiconductor system | — | 2019-06-25 |
| 10332829 | Stacked semiconductor apparatus and semiconductor system | — | 2019-06-25 |
| 10014042 | Semiconductor device | — | 2018-07-03 |
| 9818461 | Semiconductor memory device and operating method thereof | — | 2017-11-14 |
| 9659612 | Semiconductor memory apparatus | — | 2017-05-23 |
| 9659609 | Semiconductor memory apparatus and system using the same | — | 2017-05-23 |
| 9401186 | Semiconductor memory apparatus and data transmission | — | 2016-07-26 |
| 8941945 | Data storage device servoing heads based on virtual servo tracks | Michael Chang, Wei Guo, Brian P. Rigney, Guoxiao Guo | 2015-01-27 |
| 8743504 | Servoing on zoned concentric servo sectors of a first disk surface to write a spiral servo track to a second disk surface | Lawrence M. Bryant, Charles A. Park | 2014-06-03 |
| 8537486 | Disk drive writing spiral tracks on a slave surface using repeatable runout compensation for a master surface | Jiangang Liang, Siri S. Weerasooriya, Yilin Cai | 2013-09-17 |
| D647131 | Laser printer | Ji-Sang Park, Hoon Kim | 2011-10-18 |
| D641393 | Printer | Hoon Kim, Gisuke Ota, Bong-Uk Lim | 2011-07-12 |
| D633139 | Laser printer | Ji-Sang Park, Chung-Ha Kim, Kyong-Hwan Kim | 2011-02-22 |