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

Hung-Chieh Lin — 25 Patents

DEDelta Electronics: 22 patents #44 of 2,746Top 2%
ACAsustek Computer: 1 patents #655 of 1,430Top 50%
CCChicony Power Technology Co.: 1 patents #124 of 229Top 55%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Hung-Chieh Lin has been granted 25 US patents while listed as an inventor at Delta Electronics. The first was granted in 1984 and the most recent in July 2025. Hung-Chieh Lin ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Hung-Chieh Lin in Taoyuan, MD, TW.

Patents per Year

Patents granted per year, 1984 to 2025Bar chart with a peak of 5 patents in 2023.peak 51984: 1 patents19842005: 1 patents2007: 1 patents20072009: 1 patents2010: 1 patents20102014: 1 patents2018: 2 patents20182020: 2 patents2021: 4 patents20212022: 2 patents2023: 5 patents20232024: 3 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12368390 Power converter and multi-level power conversion system Hsin-Chih Chen, Li-Hung Wang, Chao-Li Kao, Yi-Ping Hsieh 2025-07-22
12132400 Soft-switching power converter Yi-Ping Hsieh, Jin-Zhong Huang, Hung-Yu Huang, Chih-Hsien Li, Ciao-Yin Pan 2024-10-29
11967898 Soft-switching power converter Yi-Ping Hsieh, Jin-Zhong Huang, Hung-Yu Huang, Chih-Hsien Li, Ciao-Yin Pan 2024-04-23
11936238 Uninterruptible power apparatus and magnetic flux compensation method thereof Hsin-Chih Chen, Chao-Lung Kuo, Yi-Ping Hsieh, Chien-Shien Lee 2024-03-19
11811328 Isolated conversion apparatus with magnetic bias balance control and method of controlling the same Chih-Hsien Li, Yi-Ping Hsieh, Hung-Yu Huang, Ciao-Yin Pan 2023-11-07
11754638 Ground fault detection apparatus and method of detecting ground fault Jen-Chuan Liao, Yi-Ping Hsieh, Hsin-Chih Chen 2023-09-12
11652420 Isolated converter with high boost ratio Chao-Li Kao, Yi-Ping Hsieh, Jin-Zhong Huang, Chao-Lung Kuo, Hung-Yu Huang +1 more 2023-05-16
11616388 Uninterruptible power apparatus with function of forced disconnection path and method of forcing disconnection path thereof Hsin-Chih Chen, Chao-Lung Kuo, Yi-Ping Hsieh 2023-03-28
11601066 Conversion apparatus with three-level switching circuit and method of operating the same Yi-Ping Hsieh, Jin-Zhong Huang, Hung-Yu Huang, Chih-Hsien Li 2023-03-07
11411331 Hybrid type wire-to-wire connector structure and power supply device having the same Cheng-Chan Wu, Chao-Yi Huang 2022-08-09
11349336 Method for operating power factor correction circuit and method for operating uninterruptible power supply apparatus Yuan-Fang Lai, Chao-Li Kao, Chao-Lung Kuo, Hsin-Chih Chen, Yi-Ping Hsieh 2022-05-31
11205956 Power converter with common DC power source and power supply apparatus having the same Chao-Li Kao, Yi-Ping Hsieh, Jin-Zhong Huang, Po-Hsin Tseng, Chih-Hsien Li +1 more 2021-12-21
11088629 Isolated converter with high boost ratio Chao-Li Kao, Yi-Ping Hsieh, Jin-Zhong Huang, Chao-Lung Kuo, Hung-Yu Huang +1 more 2021-08-10
11081968 Isolated boost converter Chao-Li Kao, Yi-Ping Hsieh, Jin-Zhong Huang, Chao-Lung Kuo, Hung-Yu Huang +1 more 2021-08-03
10910943 Bidirectional power factor correction module Chao-Li Kao, Yi-Ping Hsieh, Jin-Zhong Huang, Chao-Lung Kuo 2021-02-02
10734835 Power bypass apparatus with current-sharing function and method of controlling the same Chao-Li Kao, Chao-Lung Kuo, Yi-Ping Hsieh, Jin-Zhong Huang, Po-Hsin Tseng 2020-08-04
10554119 Inverter apparatus with overcurrent protection control Chao-Li Kao, Yi-Ping Hsieh, Jin-Zhong Huang, Chao-Lung Kuo, Po-Hsin Tseng +1 more 2020-02-04
9967455 Portable electronic device with touch screen and touch operation method thereof Shih-Yang Wang, Chun-Chih Su 2018-05-08
9960699 Power supply system with plural parallel modules and loop current limiting Yi-Ping Hsieh, Chao-Lung Kuo, Jin-Zhong Huang, Po-Hsin Tseng 2018-05-01
8860251 Power supply system with automatic transfer function and method of controlling the same Chien-Chih Chan, Hau-Ju Chu, Hsin-Chan Yang, Kun-Liang Shih 2014-10-14
7652397 Parallel-connected uninterruptible power supply system Tung-Hung Hsien 2010-01-26
7485988 Uninterruptible power supply Jen-Chuan Liao, Kuo-Chiang Lung 2009-02-03
7230353 Charging circuit in uninterruptible power supply system Chao-Yang Hsu 2007-06-12
6947300 Parallel DC-to-AC power inverter system with current sharing technique and method thereof Fu-Sheng Pai, Yuan-Fuan Lai 2005-09-20
4427937 Method of measuring time constant using a spectrum analyzer Ching Dong Wang 1984-01-24