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

Ki-Jun Nam — 23 Patents

Micron: 17 patents #1,037 of 6,374Top 20%
SHSk Hynix: 2 patents #2,373 of 4,849Top 50%
HEHynix (Hyundai Electronics): 1 patents #731 of 1,604Top 50%
Boise, ID: #443 of 3,546 inventorsTop 15%
Idaho: #621 of 8,810 inventorsTop 8%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
Ki-Jun Nam has been granted 23 US patents while listed as an inventor at Micron. The first was granted in 2002 and the most recent in October 2025. Ki-Jun Nam ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list Ki-Jun Nam in Boise, ID, US.

Patents per Year

Patents granted per year, 2002 to 2025Bar chart with a peak of 5 patents in 2022.peak 52002: 1 patents20022003: 1 patents2004: 1 patents20042006: 1 patents2016: 1 patents20162020: 1 patents2021: 3 patents20212022: 5 patents2023: 4 patents20232024: 2 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D1099416 Hair dryer Quanzhong Li, Sitaek Sung, Talguk Kim, Dong Bok Kwon, Huaxiang LIU +1 more 2025-10-21
D1099417 Hair dryer Quanzhong Li, Sitaek Sung, Talguk Kim, Dong Bok Kwon, Huaxiang LIU +1 more 2025-10-21
12298838 Grouping power supplies for a sleep mode Yantao Ma, Yasushi Matsubara, Takamasa Suzuki 2025-05-13
12094521 Systems and methods for controlling common mode level for sense amplifier circuitry 2024-09-17 $56,530,000
11914451 Apparatuses and methods for providing internal power voltages YoungHoon Oh 2024-02-27 $14,682,000
11798634 Sequential voltage control for a memory device Takamasa Suzuki, Yantao Ma, Yasushi Matsubara 2023-10-24 $15,333,000
11656645 DC voltage regulators with demand-driven power management Si-Hong Kim 2023-05-23 $14,313,000
11658662 Leakage current reduction in electronic devices Hiroshi Akamatsu, John D. Porter 2023-05-23 $14,313,000
11615828 Boundary protection in memory Hiroshi Akamatsu, Takamasa Suzuki, Yasushi Matsubara 2023-03-28 $13,032,000
11487346 Grouping power supplies for a sleep mode Yantao Ma, Yasushi Matsubara, Takamasa Suzuki 2022-11-01 $14,926,000
11335393 Semiconductor device performing refresh operation in deep sleep mode Yoshiro Riho, Yoshinori Matsui, Kiyohiro Furutani, Takahiko Fukiage, John D. Porter 2022-05-17 $11,540,000
11276455 Systems and methods for memory device power off Takamasa Suzuki, Yasushi Matsubara, John D. Porter 2022-03-15 $16,938,000
11257549 Sequential voltage control for a memory device Takamasa Suzuki, Yantao Ma, Yasushi Matsubara 2022-02-22 $21,549,000
11226646 DC voltage regulators with demand-driven power management Si-Hong Kim 2022-01-18 $36,270,000
11176985 Boundary protection in memory Hiroshi Akamatsu, Takamasa Suzuki, Yasushi Matsubara 2021-11-16 $19,987,000
10996694 Regulators with offset voltage cancellation John D. Porter 2021-05-04 $18,454,000
10923171 Semiconductor device performing refresh operation in deep sleep mode Yoshiro Riho, Yoshinori Matsui, Kiyohiro Furutani, Takahiko Fukiage, John D. Porter 2021-02-16 $25,890,000
10848153 Leakage current reduction in electronic devices Hiroshi Akamatsu, John D. Porter 2020-11-24 $15,546,000
9524759 Apparatuses and methods for capturing data using a divided clock John D. Porter 2016-12-20 $21,663,000
7142293 Optical system for automatic lens meter Sang-jun Han 2006-11-28
6813195 Pipe latch circuit for outputting data with high speed Jeong-Ho Bang 2004-11-02
6654310 Semiconductor memory device with an adaptive output driver 2003-11-25
6337831 Word line driving circuit for semiconductor memory device 2002-01-08