Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480096 | Diamond substrate | Hideo Aida, Koji Koyama, Kenjiro IKEJIRI | 2019-11-19 |
| 10246794 | Diamond substrate and method for manufacturing diamond substrate | Hideo Aida, Koji Koyama, Kenjiro IKEJIRI | 2019-04-02 |
| 10182694 | Vacuum cleaner | Soongkeun Lee, Chungill Lee | 2019-01-22 |