Growing community of inventors

Shandong, China

Changyu Xie

Average Co-Inventor Count = 3.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Changyu XieDuanjun Ma (1 patent)Changyu XieWerner Hoefler (1 patent)Changyu XieWerner Hoefler (0 patent)Changyu XieChangyu Xie (1 patent)Duanjun MaDuanjun Ma (2 patents)Werner HoeflerWerner Hoefler (1 patent)Werner HoeflerWerner Hoefler (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ife-victall Railway Vehicle Door Systems (qingdao) Co., Ltd. (1 from 1 patent)

2. Ife-victall Railway Vehicle Door Systems (qingdao) (0 patent)


1 patent:

1. 10927594 - Vehicle door for railway vehicle and railway vehicle comprising the vehicle door

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as of
1/4/2026
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