Where does Kitagawa Industries Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kitagawa Industries Co., Ltd. ranks #4,248 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 Kitagawa Industries Co., Ltd. hold?

Kitagawa Industries Co., Ltd. holds 84 US utility patents granted between 2015 and 2025, spanning 52 technology areas.

What is Kitagawa Industries Co., Ltd.'s Innovation Score?

Kitagawa Industries Co., Ltd. has an Innovation Score of 48.5 out of 100 (top 16% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Kitagawa Industries Co., Ltd.'s patent grant rate increasing or decreasing?

Kitagawa Industries Co., Ltd.'s recent grant velocity is -34% 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 Kitagawa Industries Co., Ltd.'s patents?

Kitagawa Industries Co., Ltd.'s patents average 8.3 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 Kitagawa Industries 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

Kitagawa Industries Co., Ltd.

Q: What technology areas does Kitagawa Industries Co., Ltd. focus on?

Kitagawa Industries Co., Ltd.'s top technology area is H05K (Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components) with 36 patents. Grants appear in 52 CPC subclasses total.

USPTO PatentsView assignee record - 84 granted patents across 52 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: H05K (Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Kitagawa ranks #4,248 of 49,997 tracked US assignees by granted-patent volume, with 84 patents across 52 technology areas.

#4,248
of 49,997 US assignees by volume: Top 16%
by Innovation Score (48.5/100): 8.3
avg claims per patent: -34%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4248 · Foreign Corporation #4,248 · 84 grants

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

GRANTS-SMALL 84 grants
TOP-DECILE #4,248/49,997
PHOTO-FINISH Imra America
CPC-WIDE H05K · 52 areas
INNOV-PAR 48.5/100
CLAIMS-PAR 8.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -34% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Imra America, Inc. (±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
Coherent Logix… · near

49
Kakao · near

49
Kitagawa Industries · this assignee

49
Shanghai IC R&D Center · near

49
Sonicwall · near

49
3D Lighting… · lowest

7

What this shows Kitagawa's Innovation Score is 48.5/100 (top 16% 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 Kitagawa's grant cadence moved

Between 2020–2024, Kitagawa Industries Co., Ltd. received 33 grants versus 50 in 2015–2019 (-34% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2017 at 14 grants and bottomed in 2023 at 3. Lead class H05K accounts for 42.9% of the portfolio across 52 subclasses. Volume neighbours: Imra America, Inc. (#4,244) and Nisca Corporation (#4,252).

Kitagawa's three-year grant acceleration

From 2019–2021 to 2022–2024, Kitagawa Industries Co., Ltd. moved from 29 to 14 grants (0.48x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Imra America

84
Inmar Clearing

84
Inovio Pharmaceut…

84
Jtekt Europe

84
M Technique

84
Mallinckrodt Hosp…

84
National Health R…

84
Nisca

84
Kitagawa Industri… ◀

84

What this shows Kitagawa holds 84 patents at rank #4,248, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kitagawa

By rank, the assignees closest to #4,248 in granted patent volume.

Leaders in H05K (Printed Circuits)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (49 here).

Kakao Corp. 49 Coherent Logix, Incorporated 49 Shanghai IC R&D Center Co., Ltd. 49 Sonicwall Inc. 49

Similar claim depth

Nearest assignees by average claims per patent (8.3 here).

Omron Automotive Electronics Co., Ltd. 8.3 avg Calsonic Kansei Corporation 8.3 avg Sanoh Industrial Co. , Ltd. 8.3 avg Asia Vital Components (CHINA) Co., Ltd. 8.3 avg

Kitagawa's Innovation Score vs. every tracked assignee

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

49 Top 16% higher than 84% 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

Kitagawa Industries Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	7.1%
2016	10	11.9%
2017	14	16.7%
2018	10	11.9%
2019	10	11.9%
2020	11	13.1%
2021	8	9.5%
2022	5	6.0%
2023	3	3.6%
2024	6	7.1%
2025partial year	1	1.2%

Which technologies does Kitagawa Industries Co., Ltd. patent most?

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 36

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 18

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 18

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 14

C08L - Compositions OF Macromolecular Compounds 13

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 12

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 10

H01L - Semiconductor Devices NOT Covered BY Class H10 8

H03H - Impedance Networks, e.g. Resonant CIRCUITS; Resonators 6

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 5

F16F - SPRINGS; SHOCK-ABSORBERS; Means FOR Damping Vibration 4

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 4

G01L - Measuring Force, Stress, Torque, Work, Mechanical Power, Mechanical Efficiency, OR Fluid Pressure 4

H02G - Installation OF Electric Cables OR Lines, OR OF Combined Optical AND Electric Cables OR Lines 3

B01D - Separation 3

Top 15 of 52 technology areas

Where it ranks

Overall rank by patents

#4,248

of 49,997 tracked assignees

Innovation Score

48.5 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

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

Kitagawa Industries Co., Ltd.'s lead technology class is H05K (Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components), 42.9% of its portfolio - see every assignee active in that class. Explore H05K
Ranked #4,248 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kitagawa Industries Co., Ltd. against Imra America, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 48.5/100 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.