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Cheung David patents

Cheung David holds 6 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents6
Recent patents0
First publicationDec 8, 2015
Latest publicationApr 4, 2017

Filing trend

Year-over-year patent counts for this assignee.

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

Patents filed per year
YearPatents
20151
20163
20172
Browse patents by year
YearPatents
20151
20163
20172

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
H10P50/2872
H01J37/324492
H01L21/311382
H01J37/32442
H01J37/3212

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Electricity5
Physics3
Chemistry & Metallurgy1