IP Ownership · Semiconductors
Who owns the semiconductor patents?
Transistors, integrated circuits, DRAM, NAND flash, and the manufacturing process patents behind modern chips.
Patents indexed
222
Total citations
18,471
Top-3 hold
36% of citations
Assignees ranked
10
Ranked by total forward citations — 10 companies
How a Multi-Touch Screen Detects Multiple Fingers and Palms
US 6323846 · 2,641 citations
14%
of citations
How Multi-Touch Screens Track Multiple Fingers at Once
US 7663607 · 1,995 citations
12%
of citations
How Canon's Bubble Jet Printers Make Ink Droplets
US 4723129 · 1,806 citations
10%
of citations
Logitech's Method for Using Two Fingers on a Touchpad
US 5825352 · 1,577 citations
9%
of citations
Chester Carlson's Original Xerography Patent
US 2297691 · 737 citations
8%
of citations
How Organic Diodes Make Light Using Special Molecules
US 4356429 · 1,031 citations
6%
of citations
How to Create a Secret Code Key Without Meeting First
US 4200770 · 708 citations
6%
of citations
How a Modern Camera Sensor Captures Light and Converts It to Data
US 5471515 · 620 citations
4%
of citations
Tiny Capsules for Electronic Paper Displays
US 5961804 · 508 citations
3%
of citations
The Invention of the Junction Transistor
US 2569347 · 145 citations
3%
of citations
Rankings by total forward citations within PatentBrief's enriched patent corpus for the Semiconductors technology domain. Forward citations are the industry standard proxy for patent influence and commercial importance. Coverage reflects patents currently indexed; the full USPTO corpus is larger.