Where does Wafer Mems Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Wafer Mems Co., Ltd. ranks #44,015 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Wafer Mems Co., Ltd. hold?

Wafer Mems Co., Ltd. holds 6 US utility patents granted between 2017 and 2019, spanning 4 technology areas.

What is Wafer Mems Co., Ltd.'s Innovation Score?

Wafer Mems Co., Ltd. has an Innovation Score of 19.5 out of 100 (6th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Wafer Mems Co., Ltd.'s patent grant rate increasing or decreasing?

Wafer Mems Co., Ltd.'s recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Wafer Mems Co., Ltd.'s patents?

Wafer Mems Co., Ltd.'s patents average 9.5 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Wafer Mems Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Wafer Mems Co., Ltd.

Q: What technology areas does Wafer Mems Co., Ltd. focus on?

Wafer Mems Co., Ltd.'s top technology area is H01F (MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties) with 6 patents. Grants appear in 4 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 4 technology areas, recorded in grant years 2017–2019. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: H01F (MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Wafer ranks #44,015 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 4 technology areas.

#44,015
of 49,997 US assignees by volume: 6th percentile
by Innovation Score (19.5/100): 9.5
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R44015 · Foreign Corporation #44,015 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #44,015/49,997
PHOTO-FINISH W-scope Chungju Plant
CPC-NARROW H01F · 4 areas
INNOV-LOW 19.5/100
CLAIMS-PAR 9.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: W-scope Chungju Plant Co., Ltd. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

Qualcomm Incorporated · highest

85
Wafer Mems · this assignee

19
3D Lighting… · lowest

7

What this shows Wafer's Innovation Score is 19.5/100 (6th percentile of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Where Wafer's grants concentrate

Wafer Mems Co., Ltd. is a focused PatentsView assignee: 4 CPC subclasses with 100% of grants classified under H01F (MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties). By volume, Wafer sits between W-scope Chungju Plant Co., Ltd. and Wallmek I KUNGÄLV AB.

W-scope Chungju P…

6
W-scope Korea

6
Wabco India

6
Wabco Radbremsen

6
WAH Hong Industri…

6
Wakamoto Pharmace…

6
Walker Filtration

6
Wallmek I KUNGÄLV…

6
Wafer Mems ◀

6

What this shows Wafer holds 6 patents at rank #43,984, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Wafer

By rank, the assignees closest to #43,984 in granted patent volume.

Leaders in H01F (Magnets)

Other assignees with the most granted patents in Wafer's primary technology class.

Wafer's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

19 6th percentile higher than 6% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2017–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Wafer Mems Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	2	33.3%
2018	2	33.3%
2019	2	33.3%

Which technologies does Wafer Mems Co., Ltd. patent most?

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 6

H10D - Inorganic Electric Semiconductor Devices 4

H01L - Semiconductor Devices NOT Covered BY Class H10 4

H10B - Electronic Memory Devices 1

Top 4 of 4 technology areas

Where it ranks

Overall rank by patents

#44,015

of 49,997 tracked assignees

Innovation Score

19.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Wafer Mems Co., Ltd.'s patent record in context - here's where to go next.

Wafer Mems Co., Ltd.'s lead technology class is H01F (MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties), 100% of its portfolio - see every assignee active in that class. Explore H01F
Ranked #44,015 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Wafer Mems Co., Ltd. against W-scope Chungju Plant Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 19.5/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

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

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

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

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

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. Data current as of May 2026.