USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Seiko Instruments Inc.

USPTO PatentsView assignee record - 352 granted patents across 112 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: B41J (TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS).

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

Explore the portfolio See the ranking

352

Total patents granted

112

CPC technology areas

9.8

Avg claims per patent

-60%

5-year filing velocity

The verdict

Seiko holds 352 US patents across 112 technology areas, rank #1,205 of 50,000 tracked assignees.

#1,205
of 50,000 US assignees by volume: Top 8%
by Innovation Score (54.1/100): 9.8
avg claims per patent: -60%
filing velocity, last 5 yrs

Portfolio overview

Seiko Instruments Inc. has been granted 352 US utility patents between 2015 and 2025, placing Seiko Instruments Inc. at rank #1,205 across all assignees tracked by PlainPatent. This portfolio spans 112 distinct Cooperative Patent Classification (CPC) subclasses, averaging 9.8 claims per patent with primary concentration in B41J (TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS). As a Foreign Corporation, Seiko Instruments Inc. is one of the broader-portfolio assignees in the PatentsView dataset. By volume, Seiko sits between Applied Materials Israel Ltd. (353 patents, rank #1,201) and Shanghai Tianma Am-oled Co., Ltd. (351 patents, rank #1,209) - the closest US assignees by grant volume. The composite Innovation Score of 54.1/100 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 100 grants, compared with 252 in the 2015–2019 window, a -60% shift in five-year velocity. A cooling filing rate may reflect portfolio consolidation, shifting priorities, or reduced R&D throughput. 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. Seiko Instruments Inc.'s 9.8 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a diversified footprint across 100+ CPC subclasses spreads risk across many technology fronts. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Seiko Instruments Inc. against peers pursuing similar technology classes.

Applied Materials…

353
Alstom Technology

352
Knowles

352
Praxair Technology

352
Seiko Instruments ◀

352
Biedermann & KG

351
Dongwoo Fine-chem

351
Lumentum Operatio…

351
Shanghai Tianma A…

351

What this shows Seiko holds 352 patents at rank #1,205, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Seiko

By rank, the assignees closest to #1,205 in granted patent volume.

Leaders in B41J (Typewriters)

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

Seiko's Innovation Score vs. every tracked assignee

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

54 Top 8% higher than 92% 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

Seiko Instruments Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	106	30.1%
2016	51	14.5%
2017	36	10.2%
2018	36	10.2%
2019	23	6.5%
2020	32	9.1%
2021	24	6.8%
2022	22	6.3%
2023	7	2.0%
2024	6	1.7%
2025	9	2.6%

Which technologies does Seiko Instruments Inc. patent most?

B41J - TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 55

G04C - ELECTROMECHANICAL CLOCKS OR WATCHES 45

G04B - MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS 42

Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION 34

H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 31

H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 28

G04G - ELECTRONIC TIME-PIECES 27

H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 21

G06F - ELECTRIC DIGITAL DATA PROCESSING 20

H10D - INORGANIC ELECTRIC SEMICONDUCTOR DEVICES 17

G05F - SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 17

F16C - SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 15

H02P - CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 14

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 13

Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS 13

Top 15 of 112 technology areas

Patent Moat Analysis

Portfolio Volume Moderate

Tech Breadth Diversified

Claim Depth Simple

Velocity Declining

Where it ranks

Overall rank by patents

#1,205

Across all tracked assignees

Innovation Score

54.1 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 Seiko Instruments Inc. hold?

Seiko Instruments Inc. holds 352 US granted patents filed between 2015 and 2025, spanning 112 technology areas.

What is Seiko Instruments Inc.'s Innovation Score?

Seiko Instruments Inc. has an Innovation Score of 54.1 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Seiko Instruments Inc. focus on?

Seiko Instruments Inc.'s top technology area is B41J (TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS) with 55 patents. The company has filed patents in 112 CPC subclasses total.

Is Seiko Instruments Inc.'s patent filing rate increasing or decreasing?

Seiko Instruments Inc.'s recent filing velocity is -60% compared to the prior five-year period. Filing activity has slowed relative to earlier years.

What does claim depth mean for Seiko Instruments Inc.'s patents?

Seiko Instruments Inc.'s patents average 9.8 claims each. This is relatively simple claim structure, typical for focused inventions.

How is the Seiko Instruments 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.

How to use this portfolio

Seiko's 352 grants land it in the top 8% 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 - Seiko ranks #1,205 of 50,000. Top 50 holders
Most of this portfolio concentrates in B41J - see who else leads that technology area. B41J 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.