USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Shinkawa Ltd.

USPTO PatentsView assignee record - 121 granted patents across 35 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: H01L (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

121

Total patents granted

CPC technology areas

8.7

Avg claims per patent

+146%

5-year filing velocity

The verdict

Shinkawa holds 121 US patents across 35 technology areas, rank #3,124 of 50,000 tracked assignees.

#3,124
of 50,000 US assignees by volume: Top 12%
by Innovation Score (51.0/100): 8.7
avg claims per patent: +146%
filing velocity, last 5 yrs

Portfolio overview

Shinkawa Ltd. has been granted 121 US utility patents between 2015 and 2025, placing Shinkawa Ltd. at rank #3,124 across all assignees tracked by PlainPatent. This portfolio spans 35 distinct Cooperative Patent Classification (CPC) subclasses, averaging 8.7 claims per patent with primary concentration in H01L (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10). As a Foreign Corporation, Shinkawa Ltd. is one of the more focused assignees in the PatentsView dataset. By volume, Shinkawa sits between Hefei BOE Display Technology Co., Ltd. (121 patents, rank #3,120) and Toshiba Lighting & Technology Corporation (121 patents, rank #3,128) - the closest US assignees by grant volume. The composite Innovation Score of 51.0/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 86 grants, compared with 35 in the 2015–2019 window, a +146% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Shinkawa Ltd.'s 8.7 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a multi-domain presence across 35 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Shinkawa Ltd. against peers pursuing similar technology classes.

Hefei BOE Display…

121
Institute of Auto…

121
Landscape Forms

121
Purac Biochem BV

121
Sunrise Memory

121
Shukla Medical

121
Shutterfly

121
Toshiba Lighting…

121
Shinkawa ◀

121

What this shows Shinkawa holds 121 patents at rank #3,124, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Shinkawa

By rank, the assignees closest to #3,124 in granted patent volume.

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

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

Shinkawa's Innovation Score vs. every tracked assignee

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

51 Top 12% higher than 88% of 50,000 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

Shinkawa Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	1.7%
2016	9	7.4%
2017	5	4.1%
2018	9	7.4%
2019	10	8.3%
2020	8	6.6%
2021	19	15.7%
2022	19	15.7%
2023	11	9.1%
2024	16	13.2%
2025	13	10.7%

Which technologies does Shinkawa Ltd. patent most?

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 107

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 41

H05K - PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 22

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 6

G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS 5

B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 4

B06B - METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, ; e.g.; FOR PERFORMING MECHANICAL WORK IN GENERAL 4

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 3

G06T - IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 3

B65H - HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES 3

B65G - TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS 2

B25J - MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 2

G02B - OPTICAL ELEMENTS, SYSTEMS OR APPARATUS 2

H04N - PICTORIAL COMMUNICATION, e.g. TELEVISION 2

G01R - MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2

Top 15 of 35 technology areas

Patent Moat Analysis

Portfolio Volume Moderate

Tech Breadth Multi-domain

Claim Depth Simple

Velocity Accelerating

Where it ranks

Overall rank by patents

#3,124

Across all tracked assignees

Innovation Score

51.0 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Shinkawa Ltd. hold?

Shinkawa Ltd. holds 121 US granted patents filed between 2015 and 2025, spanning 35 technology areas.

What is Shinkawa Ltd.'s Innovation Score?

Shinkawa Ltd. has an Innovation Score of 51.0 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Shinkawa Ltd. focus on?

Shinkawa Ltd.'s top technology area is H01L (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10) with 107 patents. The company has filed patents in 35 CPC subclasses total.

Is Shinkawa Ltd.'s patent filing rate increasing or decreasing?

Shinkawa Ltd.'s recent filing velocity is +146% compared to the prior five-year period. This indicates accelerating innovation.

What does claim depth mean for Shinkawa Ltd.'s patents?

Shinkawa Ltd.'s patents average 8.7 claims each. This is relatively simple claim structure, typical for focused inventions.

How is the Shinkawa 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.

How to use this portfolio

Shinkawa's 121 grants land it in the top 12% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - Shinkawa ranks #3,124 of 50,000. Top 50 holders
Most of this portfolio concentrates in H01L - see who else leads that technology area. H01L leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.