LexDanaLexDanabeta
Inventor

Haishan Zhang

Inventor
Fujian, CN

Overview

2→
Patents
2014–2020
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

B65Gprimary
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors20%
G01RMeasuring electric variables20%
G06KGraphical data reading20%
G06TImage data processing or generation, in general20%
G08CTransmission systems for measured values, control or similar signals20%
PatentTitleYear
10,625,954Device and method for grabbing and storing two-dimensional code card20208,675,956'Method and system for verifying making time of a file by computer'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to GUAN YANJUN (1)· patent assignee history
2014Patents assigned to GUANGDONG NANTIAN JUDICIAL APPRAISAL FIRM (1)· patent assignee history
2014Patents assigned to XU DAIHUA (1)· patent assignee history
2014Patents assigned to ZHANG HAISHAN (1)· patent assignee history
2014Based in Shenzhen, CN· patent location history
2020Patents assigned to FUJIAN LANDI COMMERCIAL EQUIP (1)· patent assignee history
2020Based in Fujian, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIAN LANDI COMMERCIAL EQUIP12020
GUAN YANJUN12014
GUANGDONG NANTIAN JUDICIAL APPRAISAL FIRM12014
XU DAIHUA12014
ZHANG HAISHANself12014
Locations
LocationPatentsSpan
Fujian, CN12020
Shenzhen, CN12014