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Inventor

Qian Ren

Inventor
Hangzhou, CN

Overview

2→
Patents
2014–2019
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.

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices25%
G06FElectric digital data processing25%
H04LTransmission of digital information, e.g. telegraphic communication25%
H04MTelephonic communication25%
PatentTitleYear
10,404,863Base phone and additional phone implementation, answering, calling, and intercom method, and IP terminal20198,918,743'Edge-based full chip mask topography modeling'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to SYNOPSYS INC (1)· patent assignee history
2014Based in Portland, OR, US· patent location history
2019Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2019Based in Hangzhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD12019
SYNOPSYS INC12014
Locations
LocationPatentsSpan
Hangzhou, CN12019
Portland, OR, US12014