Inventor
LI RUIFENG
CN22 patents
⚠️ This page may combine multiple inventors who share the name “LI RUIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZHEJIANG JINKO SOLAR CO LTD
5 patentsUS12317637B2May 27, 2025
Photovoltaic cell, method for manufacturing same, and photovoltaic module
ZHEJIANG JINKO SOLAR CO LTD0 citations61
US12266731B2Apr 1, 2025
Photovoltaic cell, method for manufacturing same, and photovoltaic module
ZHEJIANG JINKO SOLAR CO LTD0 citations61
US11955571B2Apr 9, 2024
Photovoltaic cell, method for manufacturing same, and photovoltaic module
ZHEJIANG JINKO SOLAR CO LTD0 citations61
US11600731B2Mar 7, 2023
Photovoltaic cell, method for manufacturing same, and photovoltaic module
ZHEJIANG JINKO SOLAR CO LTD0 citations61
US11437529B2Sep 6, 2022
Photovoltaic cell, method for manufacturing same, and photovoltaic module
ZHEJIANG JINKO SOLAR CO LTD0 citations61
PETROCHINA CO LTD
3 patentsUS10258965B2Apr 16, 2019
Sulfur-resistant catalyst for aromatics saturated hydrogenation and preparation method thereof
PETROCHINA CO LTD0 citations46
US10252255B2Apr 9, 2019
Method for preparing noble metal hydrogenation catalyst, noble metal hydrogenation catalyst and use thereof
PETROCHINA CO LTD0 citations34
US10683459B2Jun 16, 2020
Liquid-phase hydroisomerization system and process therefor and use thereof
PETROCHINA CO LTD0 citations28
HUAWEI TECH CO LTD
2 patentsBEIJING BAIDU NETCOM SCI & TECH CO LTD
2 patentsUS11748986B2Sep 5, 2023
Method and apparatus for recognizing key identifier in video, device and storage medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations48
US11469975B2Oct 11, 2022
Filter debugging method, device, electronic apparatus and readable storage medium
BEIJING BAIDU NETCOM SCI & TECH CO LTD0 citations48