Is a blind spot mirror patented?

Short answer: specific designs of a blind spot mirror have been patented many times, but "a blind spot mirror" as a general idea is not what is protected. What matters is the exact combination of features in your version.

What our index shows

445 US and WO patent publications since 2000 have a title matching “blind spot” or a close variant (our index of 9.7 million patent families; one publication per family).
Among the 413 best keyword matches we examined, 176 were published in 2020 or later, and the earliest was published in 2000.
Most frequent assignees in those matches: FORD GLOBAL TECH LLC (12), NIPPON SEIKI CO LTD (10), HYUNDAI MOTOR CO LTD (9), VALEO SCHALTER & SENSOREN GMBH (8).
Most common patent classes (CPC subclasses): B60R (213), G08G (120), B60Q (104), G01S (91).

Counts come from keyword matching on titles and abstracts, so they are indicative, not a legal count. Some matches are different products that share a word.

14 real patent publications related to a blind spot mirror

Blind spot mirror capable of revealing a-pillar blind spot of vehicle WO-2026031387-A1 2026 · CHENGDU LIGHT BENDING TECH CO LTD
A lens structure, which is a semi-concave lens made of a material having preset transparency, wherein one surface of the lens structure is a concave spherical surface (19), and the other opposite surface is a flat surface (18), or…
View on Google Patents
Blind spot indicator assembly for a motor vehicle and rear-view mirror comprising said blind spot indicator assembly US-12488690-B2 2025 · FICOMIRRORS S A U
The blind spot indicator assembly ( 100 ) comprises a housing ( 110 ) having a first area ( 120 ) in an inner surface thereof with a light-reflective portion, a light source ( 200 ) to project light along a first direction (D 1 ) …
View on Google Patents
Vehicle side mirror with hidden blind spot mirror device US-12330561-B2 2025 · ANNAN DANIEL
A vehicle side mirror with hidden blind spot mirror device is provided. The device is comprised of a main mirror with at least one display screen positioned under the top surface of the main mirror. The device provides an improved…
View on Google Patents
Blind spot warning and turn signal indication light-emitting device for vehicle side view mirror US-11407360-B1 2022 · Huang mei hui
A blind spot warning and turn signal indication light-emitting device for a vehicle side view mirror includes a mirror seat, a blind spot warning unit and a turn signal indication unit both mounted on the mirror seat. The blind sp…
View on Google Patents
Vehicle interior blind spot mirror US-2021031691-A1 2021 · GM GLOBAL TECH OPERATIONS LLC
An automotive vehicle includes a body having an interior and an exterior. The interior defines an occupant cabin. The body has a door frame defining a door opening. A vehicle door is coupled to the door frame and is movable betwee…
View on Google Patents
Vehicle side view mirror with electronic blind spot display US-2020238914-A1 2020 · TOYOTA ENG & MFG NORTH AMERICA
A vehicle side mirror for rear and side view is provided. The side mirror includes a side mirror case, a light permeable reflective glass arranged inside the side mirror case. The light permeable reflective glass is configured to …
View on Google Patents
Blind spot area warning system for a vehicle side view mirror with light guide disposed cavity of a cover having an incident face with grooves, an end face , output face and opposing operating face US-10589675-B1 2020 · Huang mei hui
A blind spot area warning and illustrating device includes a light guiding member including a light output face and a light incident face having grooves. The light guiding member further includes an operating face opposite to the …
View on Google Patents
Vehicle rearview mirror with blind spot indicator function US-2019366923-A1 2019 · MAXZONE AUTO PARTS CORP
A vehicle rearview mirror with blind spot indicator function includes two blind spot indicators, a controller, a mirror mount, a mirror face defining a first light transmissive zone, and an indicator device including a reflector d…
View on Google Patents
Distortion-free image capture mirror which may be used with an automotive side view mirror for capturing an image from an area representing a blind spot for a drive of a vehicle fitted with the distortion-free image capture mirror US-8899764-B2 2014 · UNG LY WENG
A distortion free image capture mirror assembly, and more particularly one which can be associated with side view mirrors for use by drivers on all type of vehicles. The distortion free image capture mirror assembly includes a sup…
View on Google Patents
Mirror assembly for reducing blind spot associated with side view mirrors for vehicles US-2012170145-A1 2012 · KIM JAEHYONG
A mirror assembly for reducing a blind spot associated with an exterior mounted side view mirror of a vehicle is provided. The mirror assembly includes a mount assembly configured for being received about an interior intersection …
View on Google Patents
Apparatus and methods for eliminating or reducing blind spots in vehicle mirror and camera systems US-2012022749-A1 2012 · CLEGG THOMAS
Provided herein are new apparatus and methods relating to mirror systems, including mirror systems for vehicles, including but not limited to automobiles, trucks, motorcycles, scooters, bicycles, all-terrain vehicles, motorized ca…
View on Google Patents
Vehicle side view mirror blind spot adjustment method US-6547405-B2 2003
An angularly adjustable, vehicle side view mirror having a reflective mirror member mounted within a frame that is attached to the driver or passenger side of an automotive-type vehicle. The frame has an outer edge member having a…
View on Google Patents
Vehicle driver's-side, rear-view mirror, eliminating blind spot US-2003039039-A1 2003
A vehicle driver's-side, rear-view mirror eliminating the blind spot. The rear-view mirror comprises a two-piece mirror structure having a planar mirror portion and a separate and distinct, curved mirror portion, outboard of t…
View on Google Patents
Vehicle blind spot mirror US-6076934-A 2000
A vehicle blind spot mirror with a mirror having a single plane outwardly curved surface, an extension member attached to the rear portion of the outwardly curved mirror and having a double stick foam tape attachment means on the …
View on Google Patents

What this means for your idea

Because patents cover specific combinations of features, the useful question is not “has a blind spot mirror been patented?” but “has my combination of features been described before?” Vehicle accessories and travel gear differ in how they attach, fold, lock or secure items.

Check your own version of a blind spot mirror

Get the 10 closest patents to your design, charted feature by feature, in 24 hours. Order the $99 report See a sample

Or get the full $99 report: top 10 references charted feature by feature, in 24 hours.

Guides that help with this

First-look landscape. Not exhaustive. Not legal advice. This page lists keyword-matched publications from a limited database; it does not say whether any product is or isn't covered by a patent, whether a patent is still in force, or whether your idea is patentable. Consult a registered patent attorney or agent.