Where does Sawafuji Electric Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sawafuji Electric Co., Ltd. ranks #19,113 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 Sawafuji Electric Co., Ltd. hold?

Sawafuji Electric Co., Ltd. holds 15 US utility patents granted between 2015 and 2025, spanning 25 technology areas.

What is Sawafuji Electric Co., Ltd.'s Innovation Score?

Sawafuji Electric Co., Ltd. has an Innovation Score of 33.0 out of 100 (43rd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Sawafuji Electric Co., Ltd.'s patent grant rate increasing or decreasing?

Sawafuji Electric Co., Ltd.'s recent grant velocity is +17% 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 Sawafuji Electric Co., Ltd.'s patents?

Sawafuji Electric Co., Ltd.'s patents average 4.1 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 Sawafuji Electric 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

Sawafuji Electric Co., Ltd.

Q: What technology areas does Sawafuji Electric Co., Ltd. focus on?

Sawafuji Electric Co., Ltd.'s top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 9 patents, ranking #1,398 of 5,963 assignees active in that subclass. Grants appear in 25 CPC subclasses total.

USPTO PatentsView assignee record - 15 granted patents across 25 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, Sawafuji ranks #19,113 of 49,997 tracked US assignees by granted-patent volume, with 15 patents across 25 technology areas.

#19,113
of 49,997 US assignees by volume: 43rd percentile
by Innovation Score (33.0/100): 4.1
avg claims per patent: +17%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R19113 · Foreign Corporation #19,113 · 15 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-MICRO 15 grants
MID-PACK #19,113/49,997
PHOTO-FINISH Saife
CPC-FOCUS Y02E · 25 areas
INNOV-THIN 33.0/100
CLAIMS-SPARSE 4.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +17% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Saife, 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.

How Sawafuji’s 33.0 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 9.6 pts (29%) Velocity 3.3 pts (10%) Breadth 17.7 pts (54%) Claim depth 2.4 pts (7%)

Qualcomm Incorporated · highest

85
Sawafuji Electric · this assignee

33
3D Lighting… · lowest

7

What this shows Sawafuji's Innovation Score is 33.0/100 (43rd percentile 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.

Does more volume mean deeper claims for Sawafuji?

Each dot is one of Sawafuji’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Sawafuji’s own 4.1 claims/patent is at or below the 13.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Sawafuji vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Sawafuji's grants concentrate

Sawafuji Electric Co., Ltd. is a focused PatentsView assignee: 25 CPC subclasses with 60% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2018 (2 grants) versus a trough of 1 in 2015. By volume, Sawafuji sits between Saife, Inc. and SDL Netherlands B.V..

Sawafuji's three-year grant acceleration

Sawafuji Electric Co., Ltd. shows 3 grants in 2022–2024 against only 6 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Saife

15
Saint-gobain Ecop…

15
Sankei Giken Kogyo

15
Sarcode Bioscience

15
Sawai Pharmaceuti…

15
Scanadu Incorpora…

15
Screening Room Me…

15
SDL Netherlands B…

15
Sawafuji Electric ◀

15

What this shows Sawafuji holds 15 patents at rank #19,104, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sawafuji

By rank, the assignees closest to #19,104 in granted patent volume.

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

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

Sawafuji's Innovation Score vs. every tracked assignee

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

33 43rd percentile higher than 43% 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

Sawafuji Electric Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	6.7%
2017	1	6.7%
2018	2	13.3%
2019	2	13.3%
2020	2	13.3%
2021	2	13.3%
2022	1	6.7%
2024	2	13.3%
2025partial year	2	13.3%

Which technologies does Sawafuji Electric Co., Ltd. patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 9

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 9

B01D - Separation 8

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 6

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 4

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 2

C25B - Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor 2

H02K - Dynamo-electric Machines 2

H01L - Semiconductor Devices NOT Covered BY Class H10 2

Y02C - Capture, Storage, Sequestration OR Disposal OF Greenhouse Gases [GHG] 2

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 2

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 2

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 2

Y02T - Climate Change Mitigation Technologies Related TO Transportation 2

H03K - Pulse Technique 1

Top 15 of 25 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

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

Sawafuji Electric Co., Ltd.'s lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 60% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #19,113 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sawafuji Electric Co., Ltd. against Saife, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 33.0/100 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.