Semiconductor patents protect physical structures, materials, and manufacturing processes. They cover the actual atomic-scale engineering behind every chip — how transistors are arranged, how layers are deposited, and how signals propagate. These are some of the most defensible patents in technology.
Semiconductor Patents
24 patents
US 3906166 · 1975 · Motorola Inc
How Early Cell Phones Handled Calls Across Different Towers
US 5471515 · 1995 · California Institute of Technology
How a Modern Camera Sensor Captures Light and Converts It to Data
US 4063220 · 1977 · Xerox Corp
How Multiple Computers Share a Network Cable Without Crashing
US 3778614 · 1973 · EMI Ltd
How Early CT Scans Created Detailed Body Images
US 4200770 · 1980 · Leland Stanford Junior University
How to Create a Secret Code Key Without Meeting First
US 5825352 · 1998 · Logitech Inc
Logitech's Method for Using Two Fingers on a Touchpad
US 4558302 · 1985 · Sperry Corp
How Computers Compress Data Using Dictionary Building
US 6323846 · 2001 · University of Delaware
How a Multi-Touch Screen Detects Multiple Fingers and Palms
US 4009052 · 1977 · Exxon Research and Engineering Co
Early Lithium-Ion Battery Design Using Chalcogenides
US 4237224 · 1980 · Leland Stanford Junior University
How Scientists First Made DNA Replicate in New Cells
US 4356429 · 1982 · Eastman Kodak Co
How Organic Diodes Make Light Using Special Molecules
US 5961804 · 1999 · Massachusetts Institute of Technology
Tiny Capsules for Electronic Paper Displays
US 10102356 · 2018 · EMC IP Holding Co LLC
Securing Data Storage Commands with Passcodes
US 3789832 · 1974
Using Nuclear Magnetic Resonance to Detect Cancer in Tissue
US 4723129 · 1988 · Canon Inc
How Canon's Bubble Jet Printers Make Ink Droplets
US 9280591 · 2016 · Amazon Technologies Inc
How Databases Keep Read-Only Copies Up-to-Date
US 3672155 · 1972 · Hamilton Watch Co
Hamilton's Early Digital Watch with LED Display
US 3761682 · 1973 · Docutel Corp
Early Automatic Cash Dispenser Using Credit Cards
US 5075216 · 1991 · Cetus Corp
Using Heat-Resistant Enzymes to Read DNA Sequences Faster
US 4131919 · 1978 · Eastman Kodak Co
The First Digital Camera's Core Technology
US 2297691 · 1942
Chester Carlson's Original Xerography Patent
US 8125456 · 2012 · Apple Inc
How Touchscreens Save Battery by Sleeping Between Touches
US 8600430 · 2013 · Apple Inc
How Smartphones Use Light Sensors to Detect When You Are Talking
US 5563422 · 1996 · Nichia Chemical Industries Ltd
How Nichia Created the First Practical Blue LED Electrodes
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