Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10795336 | Ball-pitching control method of pitching machine in baseball practice system and baseball practice system using the same | Se Hwan Kim, Sang-Hyun Joo | 2020-10-06 |
| 10773126 | Ball-pitching control method of pitching machine in baseball practice system and baseball practice system using the same | Se Hwan Kim, Sang-Hyun Joo | 2020-09-15 |
| 10744385 | Screen baseball system and method of realizing left-handed pitcher and right-handed pitcher using the same | Se Hwan Kim, Sang-Hyun Joo | 2020-08-18 |
| 10625138 | Screen baseball system, hole opening and closing apparatus and ball pitching apparatus utilized thereby, and method for controlling pitching of screen baseball system | Sang-Hyun Joo, Se Hwan Kim, Jun Mo Hwang, Yeong Jin Noh | 2020-04-21 |