Where does Kabushiki Kaisha Toyota Chuo Kenkyusho rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kabushiki Kaisha Toyota Chuo Kenkyusho ranks #1,578 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 Kabushiki Kaisha Toyota Chuo Kenkyusho hold?

Kabushiki Kaisha Toyota Chuo Kenkyusho holds 262 US utility patents granted between 2015 and 2025, spanning 145 technology areas.

What is Kabushiki Kaisha Toyota Chuo Kenkyusho's Innovation Score?

Kabushiki Kaisha Toyota Chuo Kenkyusho has an Innovation Score of 52.4 out of 100 (top 10% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Kabushiki Kaisha Toyota Chuo Kenkyusho's patent grant rate increasing or decreasing?

Kabushiki Kaisha Toyota Chuo Kenkyusho's recent grant velocity is -40% 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 Kabushiki Kaisha Toyota Chuo Kenkyusho's patents?

Kabushiki Kaisha Toyota Chuo Kenkyusho's patents average 9.7 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 Kabushiki Kaisha Toyota Chuo Kenkyusho 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

Kabushiki Kaisha Toyota Chuo Kenkyusho

Q: What technology areas does Kabushiki Kaisha Toyota Chuo Kenkyusho focus on?

Kabushiki Kaisha Toyota Chuo Kenkyusho's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 60 patents. Grants appear in 145 CPC subclasses total.

USPTO PatentsView assignee record - 262 granted patents across 145 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kabushiki ranks #1,578 of 49,997 tracked US assignees by granted-patent volume, with 262 patents across 145 technology areas.

#1,578
of 49,997 US assignees by volume: Top 10%
by Innovation Score (52.4/100): 9.7
avg claims per patent: -40%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1578 · Foreign Corporation #1,578 · 262 grants

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

GRANTS-MID 262 grants
TOP-DECILE #1,578/49,997
PHOTO-FINISH Autel Robotics
CPC-WIDE Y02E · 145 areas
INNOV-PAR 52.4/100
CLAIMS-PAR 9.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -40% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Autel Robotics 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
Element Six · near

52
Hisense International · near

52
Mstar Semiconductor · near

52
Oticon Medical A/S · near

52
Toyota Chuo Kenkyusho · this assignee

52
3D Lighting… · lowest

7

What this shows Kabushiki's Innovation Score is 52.4/100 (top 10% 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.

How Kabushiki's grant cadence moved

Between 2020–2024, Kabushiki Kaisha Toyota Chuo Kenkyusho received 97 grants versus 161 in 2015–2019 (-40% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2015 at 40 grants and bottomed in 2024 at 8. Lead class Y02E accounts for 22.9% of the portfolio across 145 subclasses. Volume neighbours: Mitsuba Corporation (#1,574) and The Lubrizol Corporation (#1,582).

Kabushiki's three-year grant acceleration

From 2019–2021 to 2022–2024, Kabushiki Kaisha Toyota Chuo Kenkyusho moved from 95 to 33 grants (0.35x 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 #2,943. See the growth leaderboard.

Mitsuba

263
Autel Robotics

262
Canon U

262
Hisense Internati…

262
Laitram L L C

262
Microjet Technolo…

262
National Universi…

262
The Lubrizol

262
Toyota Chuo Kenky… ◀

262

What this shows Kabushiki holds 262 patents at rank #1,578, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kabushiki

By rank, the assignees closest to #1,578 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (52 here).

Hisense International Co., Ltd. 52 Mstar Semiconductor, Inc. 52 Oticon Medical A/S 52 Element Six Limited 52

Similar claim depth

Nearest assignees by average claims per patent (9.7 here).

Parsons Xtreme Golf, LLC 9.7 avg Fujitsu Optical Components Limited 9.7 avg Proterial, Ltd. 9.7 avg Bando Chemical Industries, Ltd. 9.7 avg

Kabushiki's Innovation Score vs. every tracked assignee

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

52 Top 10% higher than 90% 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

Kabushiki Kaisha Toyota Chuo Kenkyusho patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	40	15.3%
2016	35	13.4%
2017	31	11.8%
2018	24	9.2%
2019	31	11.8%
2020	32	12.2%
2021	32	12.2%
2022	15	5.7%
2023	10	3.8%
2024	8	3.1%
2025partial year	4	1.5%

Which technologies does Kabushiki Kaisha Toyota Chuo Kenkyusho patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 60

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 42

Y02T - Climate Change Mitigation Technologies Related TO Transportation 28

H10D - Inorganic Electric Semiconductor Devices 19

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 19

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 17

H01L - Semiconductor Devices NOT Covered BY Class H10 17

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 15

Y10T - Technical Subjects Covered BY Former US Classification 14

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 13

B60L - Propulsion OF Electrically-propelled Vehicles ; Supplying Electric Power FOR Auxiliary Equipment OF Electrically-propelled Vehicles ; Electrodynamic Brake Systems FOR Vehicles IN General ; Magnetic Suspension OR Levitation FOR VEHICLES; Monitoring Operating Variables OF Electrically-propelled Vehicl 13

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 13

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 12

C22C - Alloys 12

F16H - Gearing 12

Top 15 of 145 technology areas

Where it ranks

Overall rank by patents

#1,578

of 49,997 tracked assignees

Innovation Score

52.4 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

Kabushiki Kaisha Toyota Chuo Kenkyusho's patent record in context - here's where to go next.

Kabushiki Kaisha Toyota Chuo Kenkyusho's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 22.9% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #1,578 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kabushiki Kaisha Toyota Chuo Kenkyusho against Mitsuba Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.4/100 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.