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Inventor

Yizhen Cai

Inventor
Fujian, CN

Overview

2→
Patents
2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A43Bprimary
A43BCharacteristic features of footwear25%
D05CEmbroidering25%
A43CFastenings or attachments of footwear13%
A43DMachines, tools, equipment or methods for manufacturing or repairing footwear13%
D05BSewing13%
D05DIndexing scheme associated with subclasses d05b and d05c, relating to sewing, embroidering and tufting13%
PatentTitleYear
10,159,311Embroidered vamp process and vamp to which it is applied201810,159,309Vamp with loop protection eyelets and manufacture method thereof2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to SINCETECH FUJIAN TECH CO LTD (2)· patent assignee history
2018Based in Fujian, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SINCETECH FUJIAN TECH CO LTD22018
Locations
LocationPatentsSpan
Fujian, CN22018