PY

Ping-Cheng Yu

TC Taiwan Chelic Co.: 8 patents #1 of 6Top 20%
CP China National Petroleum: 1 patents #97 of 316Top 35%
CL Cnpc Engineering Technology R&D Company Limited: 1 patents #74 of 150Top 50%
📍 New Taipei, TW: #1,413 of 10,472 inventorsTop 15%
Overall (All Time): #480,920 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12276288 Two-stage speed controller Po-Hsun Yu, Chih-Sheng Cheng, Wei-Xiang Cheng 2025-04-15
11634175 Dip angle-steering median filtering method based on a niche differential evolution algorithm Shoudong Huo, Zhenghui Gao, Fuxing Han, Zhangqing Sun, Liang-Kang Huang +1 more 2023-04-25
10865909 Vacuum-keeping multistage vacuum-generating and vacuum-destructing valve Wei-Huan Yu 2020-12-15
10808496 Cementing plug Hongying Zhang, Na Wang, Yanfu Huang, Lin Shi 2020-10-20
10794497 Vacuum-based energy-saving large-capacity precision pressure regulation valve Chih-Sheng Cheng 2020-10-06
10732650 Vacuum large-capacity electrically controlled proportional valve Chih-Sheng Cheng, Yu-Li Chen 2020-08-04
10704701 Vacuum electrically controlled proportional valve Chih-Sheng Cheng, Yu-Li Chen 2020-07-07
10670163 Electrically-controlled large-capacity proportional valve Chih-Sheng Cheng 2020-06-02
10578065 Two-stage intake and two-stage discharge structure of electrically controlled proportional valve Chih-Sheng Cheng 2020-03-03
10352464 Structure of energy-saving precision pressure adjusting valve Chih-Sheng Cheng 2019-07-16