Where does Yamada Manufacturing Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Yamada Manufacturing Co., Ltd. ranks #3,217 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 Yamada Manufacturing Co., Ltd. hold?

Yamada Manufacturing Co., Ltd. holds 117 US utility patents granted between 2015 and 2025, spanning 32 technology areas.

What is Yamada Manufacturing Co., Ltd.'s Innovation Score?

Yamada Manufacturing Co., Ltd. has an Innovation Score of 45.1 out of 100 (top 24% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Yamada Manufacturing Co., Ltd. focus on?

Yamada Manufacturing Co., Ltd.'s top technology area is B62D (Motor VEHICLES; Trailers) with 50 patents. Grants appear in 32 CPC subclasses total.

Is Yamada Manufacturing Co., Ltd.'s patent grant rate increasing or decreasing?

Yamada Manufacturing Co., Ltd.'s recent grant velocity is +27% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Yamada Manufacturing Co., Ltd.'s patents?

Yamada Manufacturing Co., Ltd.'s patents average 8.2 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 Yamada Manufacturing 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

Yamada Manufacturing Co., Ltd.

USPTO PatentsView assignee record - 117 granted patents across 32 technology areas, recorded in grant years 2015–2025. 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: B62D (Motor VEHICLES; Trailers).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Yamada ranks #3,217 of 49,997 tracked US assignees by granted-patent volume, with 117 patents across 32 technology areas.

#3,217
of 49,997 US assignees by volume: Top 24%
by Innovation Score (45.1/100): 8.2
avg claims per patent: +27%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3217 · Foreign Corporation #3,217 · 117 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-MID 117 grants
TOP-DECILE #3,217/49,997
PHOTO-FINISH The University Of…
CPC-FOCUS B62D · 32 areas
INNOV-PAR 45.1/100
CLAIMS-PAR 8.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +27% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: The University Of North Carolina At Charlotte (±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
Lixil · near

45
Refractory Intellect… · near

45
Route 92 Medical · near

45
Siltronic · near

45
Yamada Manufacturing · this assignee

45
3D Lighting… · lowest

7

What this shows Yamada's Innovation Score is 45.1/100 (top 24% 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 Yamada's grants concentrate

Yamada Manufacturing Co., Ltd. is a focused PatentsView assignee: 32 CPC subclasses with 42.7% of grants classified under B62D (Motor VEHICLES; Trailers). Peak complete grant year is 2020 (20 grants) versus a trough of 5 in 2017. By volume, Yamada sits between The University Of North Carolina At Charlotte and Biotronik AG.

Yamada's three-year grant acceleration

From 2019–2021 to 2022–2024, Yamada Manufacturing Co., Ltd. moved from 50 to 28 grants (0.56x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #2,547. See the growth leaderboard.

The University Of…

117
Universite DE Par…

117
West Pharma Servi…

117
Woodpeckers

117
Yamada Manufactur… ◀

117
AMO Groningen B V

116
Angel Playing Car…

116
Arena Pharmaceuti…

116
Biotronik

116

What this shows Yamada holds 117 patents at rank #3,217, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Yamada

By rank, the assignees closest to #3,217 in granted patent volume.

Leaders in B62D (Motor Vehicles)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Yamada, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (45 here).

Siltronic AG 45 Lixil Corporation 45 Refractory Intellectual Property GMBH & Co. KG 45 Route 92 Medical, Inc. 45

Similar claim depth

Nearest assignees by average claims per patent (8.2 here).

Citizen Holdings Co., Ltd. 8.2 avg Fuzhou University 8.2 avg Lego A/S 8.2 avg Enplas Corporation 8.1 avg

Yamada's Innovation Score vs. every tracked assignee

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

45 Top 24% higher than 76% 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 · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Yamada Manufacturing Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	16	13.7%
2016	10	8.5%
2017	5	4.3%
2018	7	6.0%
2019	13	11.1%
2020	20	17.1%
2021	17	14.5%
2022	13	11.1%
2023	9	7.7%
2024	6	5.1%
2025partial year	1	0.9%

Which technologies does Yamada Manufacturing Co., Ltd. patent most?

B62D - Motor VEHICLES; Trailers 50

F04C - Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps 23

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 21

F01M - Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating 19

F01P - Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines 15

H02K - Dynamo-electric Machines 9

Y10T - Technical Subjects Covered BY Former US Classification 6

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 6

F01C - Rotary-piston OR Oscillating-piston Machines OR Engines 4

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 4

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 3

F16N - Lubricating 3

F16H - Gearing 3

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes 3

F04D - Non-positive-displacement Pumps 3

Top 15 of 32 technology areas

Where it ranks

Overall rank by patents

#3,217

of 49,997 tracked assignees

Innovation Score

45.1 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

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

Yamada Manufacturing Co., Ltd.'s lead technology class is B62D (Motor VEHICLES; Trailers), 42.7% of its portfolio - see every assignee active in that class. Explore B62D
Ranked #3,217 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Yamada Manufacturing Co., Ltd. against The University Of North Carolina At Charlotte, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.1/100 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.