Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12373034 | Passive haptics as reference for active haptics | Zhaoyuan Ma | 2025-07-29 |
| 11928262 | Passive haptics as reference for active haptics | Zhaoyuan Ma | 2024-03-12 |
| 11599197 | Passive haptics as reference for active haptics | Zhaoyuan Ma | 2023-03-07 |
| 11163362 | Passive haptics as reference for active haptics | Zhaoyuan Ma | 2021-11-02 |
| 10885069 | Method for combining entry structures including entry ID, entry text, parent entry and child entry | Yechi Ma | 2021-01-05 |
| 10445660 | Learning apparatus in digital environment | ZHENGFANG MA | 2019-10-15 |
| 10242821 | Localized key-click feedback | Zhaoyuan Ma, Chen Zhao | 2019-03-26 |
| 9547430 | Provision of haptic feedback for localization and data input | Timothy S. Paek, Johnson T. Apacible, Bongshin Lee, Asela J. Gunawardana, Vishwas Kulkarni | 2017-01-17 |
| 9448628 | Localized key-click feedback | Zhaoyuan Ma, Chen Zhao | 2016-09-20 |