PlainPatent

CPC technology class · G12

G12B - Constructional Details OF Instruments

Constructional details of instruments, or comparable details of other apparatus, not otherwise provided for. 112 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

112
US patents granted
G12
Parent CPC class
14
Active assignees
+86%
5-yr velocity

The verdict

Constructional Details OF Instruments ranks #620 of 670 CPC technology areas - 112 US patents granted since 2015, with filing up 86% over five years.

#620
of 670 CPC technology areas
112
US patents granted, 2015–2025
Yazaki
leading assignee (4)
+86%
filing velocity, last 5 yrs
Top assignee: Yazaki Corporation (4 patents)

CPC subclass G12B - CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR - covers 112 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class G12 (INSTRUMENT DETAILS). See our CPC classification guide for how the system works.

The competitive landscape in G12B is shaped by 14 distinct companies actively filing in this space. Yazaki Corporation leads with 4 patents, followed by Cambridge Mechatronics Limited at 2 grants and Continental Autonomous Mobility US, Llc at 2.

Filing activity in G12B is up 86% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is G12B innovation accelerating?

US utility-patent grants per year in G12B, 2015–2025 - recent five years are up 86% versus 2015–2019.

05101520 20152016201720182019202020212022202320242025 9

Who leads G12B?

The 12 most active assignees in CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR - wider bars mean more grants

patents

What this shows Yazaki is the most active filer in G12B, holding 4 of the 112 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass G12B
Rank Company Patents in G12B
#1 Dunan Sensing Llc 4
#2 Cambridge Mechatronics Limited 2
#3 Continental Autonomous Mobility US, Llc 2
#4 Archi Enterprises Inc. 2
#5 Physik Instrumente (pi) Gmbh & Co. KG 1
#6 Nippon Thompson Co., Ltd. 1
#7 Qingdao Haier Smart Technology R&D Co., Ltd. 1
#8 Citizen Finedevice Co., Ltd. 1
#9 Helmut Fischer Gmbh Institut Für Elektronik UND Messtechnik 1
#10 Everactive, Inc. 1
#11 Preciflex Sa 1
#12 Litemax Electronics Inc. 1
#13 N.s. International, Ltd. 1
#14 Helmholtz-zentrum Berlin Für Materialien UND Energie Gmbh 1

About This Class

CPC subclass G12B belongs to class G12.

112 patents were granted in this class between 2015 and 2025.

14 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading G12B assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 G12B assignees by class footprint. Bubble size = patents in G12B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 G12B assignees by class footprint. Bubble size = patents in G12B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 012345 Patents in G12B Avg claims / patent (company-wide) Dunan SensingCambridge MechatronicsContinental Autonomou…Archi EnterprisesPhysik Instrumente (P…Nippon ThompsonQingdao Haier Smart T…Citizen FinedeviceHelmut Fischer Instit…EveractivePreciflexLitemaxN S InternationalHelmholtz-zentrum Ber…
Top 14 G12B assignees by class footprint. Bubble size = patents in G12B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class G12B?
CPC subclass G12B covers CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR. It belongs to CPC class G12 (INSTRUMENT DETAILS), with 112 US utility patents granted since 2015.
How many patents have been filed in G12B?
112 US utility patents were granted in CPC subclass G12B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in G12B?
Yazaki Corporation leads G12B with 4 patents, making it the most active assignee in this technology area.
How is patent data for G12B collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., G12) is a broad technology category. Subclasses like G12B provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.