Where does Shizuki Electric Co., Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Shizuki Electric Co., Inc. ranks #30,124 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 Shizuki Electric Co., Inc. hold?

Shizuki Electric Co., Inc. holds 9 US utility patents granted between 2018 and 2025, spanning 9 technology areas.

What is Shizuki Electric Co., Inc.'s Innovation Score?

Shizuki Electric Co., Inc. has an Innovation Score of 49.2 out of 100 (top 15% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Shizuki Electric Co., Inc.'s patent grant rate increasing or decreasing?

Shizuki Electric Co., Inc.'s recent grant velocity is +400% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Shizuki Electric Co., Inc.'s patents?

Shizuki Electric Co., Inc.'s patents average 17.8 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 Shizuki Electric Co., Inc. 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

Shizuki Electric Co., Inc.

Q: What technology areas does Shizuki Electric Co., Inc. focus on?

Shizuki Electric Co., Inc.'s top technology area is H01G (CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type) with 9 patents, ranking #84 of 580 assignees active in that subclass. Grants appear in 9 CPC subclasses total.

USPTO PatentsView assignee record - 9 granted patents across 9 technology areas, recorded in grant years 2018–2025. 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: H01G (CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Shizuki ranks #30,124 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 9 technology areas.

#30,124
of 49,997 US assignees by volume: Top 15%
by Innovation Score (49.2/100): 17.8
avg claims per patent: +400%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R30124 · Foreign Corporation #30,124 · 9 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 9 grants
MID-PACK #30,124/49,997
PHOTO-FINISH Shenzhen United…
CPC-NARROW H01G · 9 areas
INNOV-PAR 49.2/100
CLAIMS-RICH 17.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +400% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Shenzhen United Imaging Healthcare 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.

How Shizuki’s 49.2 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 8.0 pts (16%) Velocity 20.0 pts (41%) Breadth 10.6 pts (22%) Claim depth 10.7 pts (22%)

Qualcomm Incorporated · highest

85
Shizuki Electric · this assignee

49
3D Lighting… · lowest

7

What this shows Shizuki's Innovation Score is 49.2/100 (top 15% 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 Shizuki?

Each dot is one of Shizuki’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). Shizuki’s own 17.8 claims/patent is ABOVE the 11.4 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Shizuki's grants concentrate

Shizuki Electric Co., Inc. is a focused PatentsView assignee: 9 CPC subclasses with 100% of grants classified under H01G (CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type). Peak complete grant year is 2022 (2 grants) versus a trough of 1 in 2018. By volume, Shizuki sits between Shenzhen United Imaging Healthcare Co., Ltd. and Sichuan Haisco Pharmaceutical Co., Ltd..

Shizuki's three-year grant acceleration

Shizuki Electric Co., Inc. shows 5 grants in 2022–2024 against only 0 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.

Shenzhen United I…

9
Shenzhen Wellturn…

9
Shenzhen Zhongdax…

9
Shijiazhuang Yili…

9
Shore Acres Enter…

9
Shunyun Technolog…

9
Shurtech Brands

9
Sichuan Haisco Ph…

9
Shizuki Electric ◀

9

What this shows Shizuki holds 9 patents at rank #30,037, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Shizuki

By rank, the assignees closest to #30,037 in granted patent volume.

Leaders in H01G (Capacitors)

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

Shizuki's Innovation Score vs. every tracked assignee

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

49 Top 15% higher than 85% 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 · 2018–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Shizuki Electric Co., Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	11.1%
2022	2	22.2%
2023	1	11.1%
2024	2	22.2%
2025partial year	3	33.3%

Which technologies does Shizuki Electric Co., Inc. patent most?

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 9

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 3

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 3

C08L - Compositions OF Macromolecular Compounds 3

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 2

H01B - CABLES; CONDUCTORS; INSULATORS; Selection OF Materials FOR Their Conductive, Insulating OR Dielectric Properties 2

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 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 1

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 1

Top 9 of 9 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

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

Shizuki Electric Co., Inc.'s lead technology class is H01G (CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type), 100% of its portfolio - see every assignee active in that class. Explore H01G
Ranked #30,124 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Shizuki Electric Co., Inc. against Shenzhen United Imaging Healthcare Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 49.2/100 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.