This page is not indexed by search engines while we improve data quality.

Chang Hong patents

Chang Hong holds 9 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents9
Recent patents0
First publicationMar 31, 2015
Latest publicationSep 18, 2018

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be growing based on the most recent years.

Patents filed per year
YearPatents
20154
20162
20183
Browse patents by year
YearPatents
20154
20162
20183

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
G01N33/68724
H01L29/78273
H10D30/633
G01N2500/103
G01N33/483

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Physics5
Electricity4
Chemistry & Metallurgy3