Top Inventors at Spg Holding All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Chan-Yong Park | 1 |
| 2 | Dan B. Tolley | 1 |
| 3 | Dong Yeol Han | 1 |
| #4 | Eric Unruh | 1 |
| #5 | Ilan Barak | 1 |
| #6 | Jin Goon Yoon | 1 |
| #7 | Kobi Ben-Atar | 1 |
| #8 | Kwang Hae Yun | 1 |
| #9 | Nak Sun Choi | 1 |
| #10 | Nicole M. Athey | 1 |
| #11 | Robert B. Patterson | 1 |
| #12 | Sang Hyo Choi | 1 |
| #13 | Thomas D. Burns, Sr. | 1 |