Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12118274 | Electronic device and control method thereof | Hyungtak CHOI, Hyeonmok Ko, Jihie KIM, HongChul Kim | 2024-10-15 |
| 11979437 | System and method for registering device for voice assistant service | Hojung Lee, Hyeonmok Ko, Hyungrai OH | 2024-05-07 |
| 11848012 | System and method for providing voice assistant service | Dohee Kang, Seungyoun Kim, Dongchul MA, Minkyu Park, Daegeun Yi +1 more | 2023-12-19 |
| 11721333 | Electronic apparatus and control method thereof | Younghwa Lee, Jinhe JUNG, Meejeong PARK | 2023-08-08 |
| 11709655 | Electronic device and control method thereof | Hyungtak CHOI, Hyeonmok Ko, Jihie KIM, HongChul Kim | 2023-07-25 |
| 11695809 | System and method for registering device for voice assistant service | Hojung Lee, Hyeonmok Ko, Hyungrai OH | 2023-07-04 |
| 11657237 | Electronic device and natural language generation method thereof | Hyungtak CHOI, Heesik JEON, Jihie KIM, Haehun YANG, Seungsoo Kang +2 more | 2023-05-23 |
| 11631413 | Electronic apparatus and controlling method thereof | Hyeonmok Ko, Munjo Kim, Hojung Lee | 2023-04-18 |
| 11586689 | Electronic apparatus and controlling method thereof | Jaechul YANG, Munjo Kim, Youngbin Shin, Changho Paeon | 2023-02-21 |
| 11538474 | Electronic device and method for controlling the electronic device thereof | Hyungtak CHOI, Hannam KIM, Sunghwan BAEK, Haehun YANG, Kwanho Lee +5 more | 2022-12-27 |
| 11532305 | Electronic apparatus and control method thereof | Eunji LEE, Hyeonmok Ko, Kyenghun Lee, Saebom Jang, Pureum Jung +3 more | 2022-12-20 |
| 11501755 | Apparatus and method for providing voice assistant service | — | 2022-11-15 |
| 11443749 | Electronic device and control method thereof | Hyungtak CHOI, Hyeonmok Ko, Jihie KIM, HongChul Kim | 2022-09-13 |
| 11436215 | Server and control method thereof | Hyungtak CHOI, Seungsoo Kang, Sunhwa Ko, Jihie KIM, Hyunwoo Park +3 more | 2022-09-06 |
| 11423895 | Method and system for providing an interactive interface | Hyeonmok Ko, Munjo Kim, Hyungtak CHOI | 2022-08-23 |
| 11393468 | Electronic apparatus and controlling method thereof | Hyeonmok Ko, Munjo Kim, Hojung Lee | 2022-07-19 |
| 9340419 | Regeneration method of raw materials for hydrogen supply system of fuel cell | Chang-Ho Kim, Hyung Ki Kim, Seong Seock Cho, Jong Hyeon Lee, Moon Hee Han +2 more | 2016-05-17 |
| 9293780 | Sulfonated poly(phenylene sulfide sulfone nitrile) and membrane for fuel cell thereof | Young Moo Lee, So-Young Lee, Dong-Won Shin, Na Rae Kang, Young Taek Kim +1 more | 2016-03-22 |
| 9123965 | Method of preparing nano-sized catalyst on carbon support | Nak Hyun Kwon, Jae Seung Lee, Yung-Eun Sung, Tae-Yeol Jeon, Sung Jong YOO +2 more | 2015-09-01 |
| 8519081 | Polysulfone polymers and related polymer electrolyte membranes and fuel cells | Ju-Ho Lee, Dong II Kim, Jang Bae Son, Hyung-Su Park, Ki Yun Cho | 2013-08-27 |
| 8470955 | Poly(arylene ether) copolymer having cation-exchange group, process of manufacturing the same, and use thereof | Nak Hyun Kwon, Young Taek Kim, Dong Il Kim, Ju-Ho Lee | 2013-06-25 |
| 8420767 | Polyarlene-based polymer, preparation method for the same, and polymer electrolyte membrane for fuel cell using the polymer | Nak Hyun Kwon, Young Taek Kim, Dong Il Kim, Ju-Ho Lee, Jang Bae Son | 2013-04-16 |
| 8349905 | Proton-conducting polymer and uses thereof | Nak Hyun Kwon, Young Taek Kim, Dong Il Kim, Ju-Ho Lee, Jang Bae Son | 2013-01-08 |
| 8334358 | Sulfonated poly(arylene ether) copolymers and related polymer electrolyte membranes and fuel cells | Ki Yun Cho, Dong Il Kim, Ju-Ho Lee | 2012-12-18 |
| 8288500 | Sulfonated poly(arylene ether) copolymers and related polymer electrolyte membranes and fuel cells | Ju-Ho Lee, Dong II Kim, Nak Hyun Kwon | 2012-10-16 |