Inventor

ZHANG YUN-FENG

CN5 patents

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

HONGFUJIN PREC IND SHENZHEN

2 patents

US8370864B2Feb 5, 2013

Optical disc player with proctecting structure for decreasing noise

HONGFUJIN PREC IND SHENZHEN0 citations50

US7698003B2Apr 13, 2010

System for generating standard operating procedure(SOP) files

HONGFUJIN PREC IND SHENZHEN1 citations46

CHENG UEI PREC IND CO LTD

2 patents

US11322901B2May 3, 2022

Injection mold

CHENG UEI PREC IND CO LTD0 citations46

USD823810SJul 24, 2018

Electrical connector

CHENG UEI PREC IND CO LTD0 citations46

INGERSOLL RAND IND U S INC

1 patent

US11041495B2Jun 22, 2021

Positive displacement compressor and damper bearing system

INGERSOLL RAND IND U S INC2 citations70