Where does Nippon Kayaku Kabushiki Kaisha rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Nippon Kayaku Kabushiki Kaisha ranks #1,992 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 Nippon Kayaku Kabushiki Kaisha hold?

Nippon Kayaku Kabushiki Kaisha holds 201 US utility patents granted between 2015 and 2025, spanning 67 technology areas.

What is Nippon Kayaku Kabushiki Kaisha's Innovation Score?

Nippon Kayaku Kabushiki Kaisha has an Innovation Score of 54.9 out of 100 (top 7% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Nippon Kayaku Kabushiki Kaisha focus on?

Nippon Kayaku Kabushiki Kaisha's top technology area is G02B (Optical Elements, Systems OR Apparatus) with 43 patents. Grants appear in 67 CPC subclasses total.

Is Nippon Kayaku Kabushiki Kaisha's patent grant rate increasing or decreasing?

Nippon Kayaku Kabushiki Kaisha's recent grant velocity is -17% 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 Nippon Kayaku Kabushiki Kaisha's patents?

Nippon Kayaku Kabushiki Kaisha's patents average 11.2 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 Nippon Kayaku Kabushiki Kaisha 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

Nippon Kayaku Kabushiki Kaisha

USPTO PatentsView assignee record - 201 granted patents across 67 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: G02B (Optical Elements, Systems OR Apparatus).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Nippon ranks #1,992 of 49,997 tracked US assignees by granted-patent volume, with 201 patents across 67 technology areas.

#1,992
of 49,997 US assignees by volume: Top 7%
by Innovation Score (54.9/100): 11.2
avg claims per patent: -17%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1992 · Foreign Corporation #1,992 · 201 grants

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

GRANTS-MID 201 grants
TOP-DECILE #1,992/49,997
PHOTO-FINISH Department OF…
CPC-WIDE G02B · 67 areas
INNOV-PAR 54.9/100
CLAIMS-PAR 11.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -17% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Department OF Veterans Affairs (±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
Dassault Aviation · near

55
Global Unichip · near

55
Mujin · near

55
Nippon Kayaku · this assignee

55
Powerchip Semiconduc… · near

55
3D Lighting… · lowest

7

What this shows Nippon's Innovation Score is 54.9/100 (top 7% 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 Nippon's grant cadence moved

Between 2020–2024, Nippon Kayaku Kabushiki Kaisha received 83 grants versus 100 in 2015–2019 (-17% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2015 at 29 grants and bottomed in 2023 at 8. Lead class G02B accounts for 21.4% of the portfolio across 67 subclasses. Volume neighbours: Tokuyama Corporation (#1,988) and Valve Corporation (#1,996).

Nippon's three-year grant acceleration

From 2019–2021 to 2022–2024, Nippon Kayaku Kabushiki Kaisha moved from 59 to 43 grants (0.73x 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 #2,063. See the growth leaderboard.

Tokuyama

202
Department OF Vet…

201
Enseo

201
Intervet

201
Renesas America

201
SMK

201
The Rockefeller U…

201
Valve

201
Nippon Kayaku ◀

201

What this shows Nippon holds 201 patents at rank #1,992, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nippon

By rank, the assignees closest to #1,992 in granted patent volume.

Leaders in G02B (Optical Elements)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (55 here).

Global Unichip Corporation 55 Powerchip Semiconductor Manufacturing Corporation 55 Mujin, Inc. 55 Dassault Aviation 55

Similar claim depth

Nearest assignees by average claims per patent (11.2 here).

Apex Brands, Inc. 11.2 avg C.R.F. Societa' Consortile PER Azioni 11.2 avg Paragon 28, Inc. 11.2 avg Panasonic I-pro Sensing Solutions Co., Ltd. 11.2 avg

Nippon's Innovation Score vs. every tracked assignee

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

55 Top 7% higher than 93% 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

Nippon Kayaku Kabushiki Kaisha patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	29	14.4%
2016	23	11.4%
2017	13	6.5%
2018	16	8.0%
2019	19	9.5%
2020	20	10.0%
2021	20	10.0%
2022	16	8.0%
2023	8	4.0%
2024	19	9.5%
2025partial year	18	9.0%

Which technologies does Nippon Kayaku Kabushiki Kaisha patent most?

G02B - Optical Elements, Systems OR Apparatus 43

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 39

C09B - Organic Dyes OR Closely-related Compounds FOR Producing Dyes ; , e.g. PIGMENTS; MORDANTS; Lakes 38

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 33

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 29

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 28

C07C - Acyclic OR Carbocyclic Compounds 27

C07D - Heterocyclic Compounds 24

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 23

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 22

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 21

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 20

A61P - Specific Therapeutic Activity OF Chemical Compounds OR Medicinal Preparations 18

B41M - Printing, Duplicating, Marking, OR Copying PROCESSES; Colour Printing, 18

C08L - Compositions OF Macromolecular Compounds 17

Top 15 of 67 technology areas

Where it ranks

Overall rank by patents

#1,992

of 49,997 tracked assignees

Innovation Score

54.9 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

Nippon Kayaku Kabushiki Kaisha's patent record in context - here's where to go next.

Nippon Kayaku Kabushiki Kaisha's lead technology class is G02B (Optical Elements, Systems OR Apparatus), 21.4% of its portfolio - see every assignee active in that class. Explore G02B
Ranked #1,992 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nippon Kayaku Kabushiki Kaisha against Tokuyama Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 54.9/100 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.