Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HC

Hojun Chang — 4 Patents

Samsung: 4 patents #26,244 of 75,807Top 35%
Suwon-si, KR: #6,969 of 18,685 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Hojun Chang has been granted 4 US patents while listed as an inventor at Samsung. The first was granted in 2023 and the most recent in August 2025. Hojun Chang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hojun Chang in Suwon-si, KR.

Patents per Year

Patents granted per year, 2023 to 2025Bar chart with a peak of 2 patents in 2024.peak 22023: 1 patents20232024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12394470 Semiconductor chip capable of calibrating bias voltage supplied to write clock buffer regardless of process variation and temperature variation, and devices including the same Garam Choi, Yonghun Kim, Jaewoo Lee, Kihan Kim 2025-08-19
12149247 Frequency divider and memory device including the same Jaewoo Lee, Yoo-Chang Sung, Jeongdon Ihm, Jinseok Heo 2024-11-19
11869574 Semiconductor memory device and memory system including the same Hundae Choi 2024-01-09
11705172 Memory device, memory system including the same and operating method thereof Hundae Choi 2023-07-18