Where does Tamura Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Tamura Corporation ranks #2,854 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 Tamura Corporation hold?

Tamura Corporation holds 135 US utility patents granted between 2015 and 2025, spanning 43 technology areas.

What is Tamura Corporation's Innovation Score?

Tamura Corporation has an Innovation Score of 50.8 out of 100 (top 12% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Tamura Corporation focus on?

Tamura Corporation's top technology area is H01L (Semiconductor Devices NOT Covered BY Class H10) with 41 patents. Grants appear in 43 CPC subclasses total.

Is Tamura Corporation's patent grant rate increasing or decreasing?

Tamura Corporation's recent grant velocity is -13% 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 Tamura Corporation's patents?

Tamura Corporation's patents average 9.4 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 Tamura Corporation 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

Tamura Corporation

USPTO PatentsView assignee record - 135 granted patents across 43 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: H01L (Semiconductor Devices NOT Covered BY Class H10).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Tamura ranks #2,854 of 49,997 tracked US assignees by granted-patent volume, with 135 patents across 43 technology areas.

#2,854
of 49,997 US assignees by volume: Top 12%
by Innovation Score (50.8/100): 9.4
avg claims per patent: -13%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2854 · Foreign Corporation #2,854 · 135 grants

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

GRANTS-MID 135 grants
TOP-DECILE #2,854/49,997
PHOTO-FINISH Sanechips Technology
CPC-WIDE H01L · 43 areas
INNOV-PAR 50.8/100
CLAIMS-PAR 9.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -13% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Sanechips Technology 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
BorgWarner Ludwigsburg · near

51
Chatsworth Products · near

51
Korea Research… · near

51
Kurita Water… · near

51
Tamura · this assignee

51
3D Lighting… · lowest

7

What this shows Tamura's Innovation Score is 50.8/100 (top 12% 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 Tamura's grants concentrate

Tamura Corporation is a focused PatentsView assignee: 43 CPC subclasses with 30.4% of grants classified under H01L (Semiconductor Devices NOT Covered BY Class H10). Peak complete grant year is 2019 (17 grants) versus a trough of 5 in 2024. By volume, Tamura sits between Sanechips Technology Co., Ltd. and Hendrickson USA, L.L.C..

Tamura's three-year grant acceleration

From 2019–2021 to 2022–2024, Tamura Corporation moved from 43 to 32 grants (0.74x 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 #2,001. See the growth leaderboard.

Sanechips Technol…

135
Spine Wave

135
Suntory Flowers

135
Second Sight Medi…

135
Toagosei

135
Warner Bros Enter…

135
Tamura ◀

135
Bruker Nano

134
Hendrickson USA L…

134

What this shows Tamura holds 135 patents at rank #2,854, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tamura

By rank, the assignees closest to #2,854 in granted patent volume.

Leaders in H01L (Semiconductor Devices NOT Covered BY Class H10)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (51 here).

Kurita Water Industries Ltd. 51 Chatsworth Products, Inc. 51 Korea Research Institute OF Bioscience AND Biotechnology 51 BorgWarner Ludwigsburg GmbH 51

Similar claim depth

Nearest assignees by average claims per patent (9.4 here).

Beijing Microlive Vision Technology Co., Ltd 9.4 avg Mid-West Metal Products Company, Inc. 9.4 avg Cyara Solutions Pty Ltd 9.4 avg Industry Foundation OF Chonnam National University 9.4 avg

Tamura's Innovation Score vs. every tracked assignee

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

51 Top 12% higher than 88% 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

Tamura Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	9	6.7%
2016	16	11.9%
2017	11	8.1%
2018	14	10.4%
2019	17	12.6%
2020	10	7.4%
2021	16	11.9%
2022	13	9.6%
2023	14	10.4%
2024	5	3.7%
2025partial year	10	7.4%

Which technologies does Tamura Corporation patent most?

H01L - Semiconductor Devices NOT Covered BY Class H10 41

H10D - Inorganic Electric Semiconductor Devices 39

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 39

C30B - Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrystalline Material With Defined Structure ; Single Crystals OR Homogeneous Polycrystalline Material WI 34

Y10T - Technical Subjects Covered BY Former US Classification 13

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 12

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 11

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 9

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 6

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 5

C22C - Alloys 5

H01S - Devices Using THE Process OF Light Amplification BY Stimulated Emission OF Radiation [LASER] TO Amplify OR Generate LIGHT; Devices Using Stimulated Emission OF Electromagnetic Radiation IN Wave Ranges Other Than Optical 4

H03K - Pulse Technique 3

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 2

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 2

Top 15 of 43 technology areas

Where it ranks

Overall rank by patents

#2,854

of 49,997 tracked assignees

Innovation Score

50.8 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

Tamura Corporation's patent record in context - here's where to go next.

Tamura Corporation's lead technology class is H01L (Semiconductor Devices NOT Covered BY Class H10), 30.4% of its portfolio - see every assignee active in that class. Explore H01L
Ranked #2,854 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Tamura Corporation against Sanechips Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 50.8/100 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.