USPTO 2015–2025 USPTO PatentsView Foreign Corporation

National DEEP SEA Center

USPTO PatentsView assignee record - 8 granted patents across 15 technology areas, active 2019–2022. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: G01V (GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS).

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

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

8.1

Avg claims per patent

+600%

5-year filing velocity

The verdict

National holds 8 US patents across 15 technology areas, rank #32,568 of 50,000 tracked assignees.

#32,568
of 50,000 US assignees by volume: Top 21%
by Innovation Score (46.2/100): 8.1
avg claims per patent: +600%
filing velocity, last 5 yrs

Portfolio overview

National DEEP SEA Center has been granted 8 US utility patents between 2019 and 2022, placing National DEEP SEA Center at rank #32,568 across all assignees tracked by PlainPatent. This portfolio spans 15 distinct Cooperative Patent Classification (CPC) subclasses, averaging 8.1 claims per patent with primary concentration in G01V (GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS). As a Foreign Corporation, National DEEP SEA Center is one of the more focused assignees in the PatentsView dataset. By volume, National sits between Nanoentek, Inc. (8 patents, rank #32,564) and NCX Corporation (8 patents, rank #32,572) - the closest US assignees by grant volume. The composite Innovation Score of 46.2/100 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 7 grants, compared with 1 in the 2015–2019 window, a +600% 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. National DEEP SEA Center's 8.1 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while concentration in 15 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark National DEEP SEA Center against peers pursuing similar technology classes.

Nanoentek

8
Nantoh

8
NARI Technology

8
National Cheng KU…

8
National Railroad…

8
National Universi…

8
NB Health Laborat…

8
NCX

8
National DEEP SEA… ◀

8

What this shows National holds 8 patents at rank #32,568, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near National

By rank, the assignees closest to #32,568 in granted patent volume.

Leaders in G01V (Geophysics)

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

National's Innovation Score vs. every tracked assignee

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

46 Top 21% higher than 79% 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 · 2019–2022

Grants by year

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

View data table

National DEEP SEA Center patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	12.5%
2021	1	12.5%
2022	6	75.0%

Which technologies does National DEEP SEA Center patent most?

G01V - GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 4

G01S - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES 4

B63B - SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 3

B63G - OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS 3

G05D - SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 2

G01H - MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES 2

G08C - TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 1

H04W - WIRELESS COMMUNICATION NETWORKS 1

G01C - MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1

Y02D - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE 1

H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1

G06Q - INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR 1

G08G - TRAFFIC CONTROL SYSTEMS 1

G06N - COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS 1

Y02A - TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE 1

Top 15 of 15 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Focused

Claim Depth Simple

Velocity Accelerating

Where it ranks

Overall rank by patents

#32,568

Across all tracked assignees

Innovation Score

46.2 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 National DEEP SEA Center hold?

National DEEP SEA Center holds 8 US granted patents filed between 2019 and 2022, spanning 15 technology areas.

What is National DEEP SEA Center's Innovation Score?

National DEEP SEA Center has an Innovation Score of 46.2 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does National DEEP SEA Center focus on?

National DEEP SEA Center's top technology area is G01V (GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS) with 4 patents. The company has filed patents in 15 CPC subclasses total.

Is National DEEP SEA Center's patent filing rate increasing or decreasing?

National DEEP SEA Center's recent filing velocity is +600% compared to the prior five-year period. This indicates accelerating innovation.

What does claim depth mean for National DEEP SEA Center's patents?

National DEEP SEA Center's patents average 8.1 claims each. This is relatively simple claim structure, typical for focused inventions.

How is the National DEEP SEA Center 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

National's 8 grants land it in the top 21% 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 - National ranks #32,568 of 50,000. Top 50 holders
Most of this portfolio concentrates in G01V - see who else leads that technology area. G01V 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.