Inventor

SUN YUJUN

CN4 patents

⚠️ This page may combine multiple inventors who share the name “SUN YUJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHENZHEN QIANPIN TECH CO LTD

2 patents

USD966023SOct 11, 2022

Combinrd microphone and phone holder for music sheet stand

SHENZHEN QIANPIN TECH CO LTD5 citations64

USD963386SSep 13, 2022

Music sheet stand

SHENZHEN QIANPIN TECH CO LTD3 citations64

FPINNOVATIONS

1 patent

US7867360B2Jan 11, 2011

Generation of active polysulphide with manganese and bismuth catalysts

FPINNOVATIONS0 citations46

SUN YUJUN

1 patent

US8591702B2Nov 26, 2013

Increasing alkaline pulping yield for softwood with metal ions

SUN YUJUN0 citations35