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Inventor

Rongqin Yan

Inventor
Shanghai, CN

Overview

2→
Patents
2017–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B41Fprimary
B41FPrinting machines or presses14%
B41JTypewriters14%
B41KStamps14%
B41PIndexing scheme relating to printing, lining machines, typewriters, and to stamps14%
B44BMachines, apparatus or tools for artistic work, e.g. for sculpturing, guilloching, carving, branding, inlaying14%
H04LTransmission of digital information, e.g. telegraphic communication14%
H04QSelecting14%
PatentTitleYear
11,052,651Hot foil stamping device including a mobile window apparatus20219,661,404'Optical line terminal device and implementation method thereof'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to HUANG WEI (1)· patent assignee history
2017Patents assigned to SUN MINGSHI (1)· patent assignee history
2017Patents assigned to YAN LEI (1)· patent assignee history
2017Patents assigned to YAN RONGQIN (1)· patent assignee history
2017Based in Shenzhen, CN· patent location history
2021Patents assigned to BOBST SHANGHAI LTD (1)· patent assignee history
2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOBST SHANGHAI LTD12021
HUANG WEI12017
SUN MINGSHI12017
YAN LEI12017
YAN RONGQINself12017
Locations
LocationPatentsSpan
Shanghai, CN12021
Shenzhen, CN12017