Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473516 | Method and system for improving accuracy of correction of fuel quantity at the time when recirculation valve is opened | — | 2022-10-18 |
| 11168626 | Method for removing residual purge gas | Jeong Ho Seo, Young Oh | 2021-11-09 |
| 10914271 | Leak diagnosis system using purge pump of active purge system and leak diagnosis method using purge pump of active purge system | — | 2021-02-09 |
| 10890127 | Purge concentration calculation control method in active purge system and fuel amount control method using the same | — | 2021-01-12 |
| 10808656 | Intake and exhaust system for preventing the generation of condensed water and operating methods thereof | Young Oh, Keum-Jin Park | 2020-10-20 |
| 10605176 | Control method for engine variable valve timing of hybrid electric vehicle | Se-Geun Kim, Dong Jun Shin | 2020-03-31 |
| 8105433 | Cement admixture, and cement composition and concrete containing the cement admixture | Toshiharu Kishi, Akira Hosoda, Kaoru Kobayashi | 2012-01-31 |
| 7072644 | Method for providing a caller-based ringback tone sound in case of a non-subscribed called | Yeong Tae No, Ok Ryul Yang, Jin Yong Choi | 2006-07-04 |