Where does Tokyo Keiki Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Tokyo Keiki Inc. ranks #21,918 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Tokyo Keiki Inc. hold?

Tokyo Keiki Inc. holds 13 US utility patents granted between 2015 and 2024, spanning 20 technology areas.

What is Tokyo Keiki Inc.'s Innovation Score?

Tokyo Keiki Inc. has an Innovation Score of 38.7 out of 100 (top 40% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Tokyo Keiki Inc.'s patent grant rate increasing or decreasing?

Tokyo Keiki Inc.'s recent grant velocity is +60% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Tokyo Keiki Inc.'s patents?

Tokyo Keiki Inc.'s patents average 11.8 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 Tokyo Keiki 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

Tokyo Keiki Inc.

Q: What technology areas does Tokyo Keiki Inc. focus on?

Tokyo Keiki Inc.'s top technology area is 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) with 3 patents. Grants appear in 20 CPC subclasses total.

USPTO PatentsView assignee record - 13 granted patents across 20 technology areas, recorded in grant years 2015–2024. 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: 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 ARRA).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Tokyo ranks #21,918 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 20 technology areas.

#21,918
of 50,000 US assignees by volume: Top 40%
by Innovation Score (38.7/100): 11.8
avg claims per patent: +60%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R21918 · Foreign Corporation #21,918 · 13 grants

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

GRANTS-MICRO 13 grants
MID-PACK #21,918/50,000
PHOTO-FINISH Think Therapeutics
CPC-FOCUS G01S · 20 areas
INNOV-THIN 38.7/100
CLAIMS-PAR 11.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +60% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Think Therapeutics, 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.

Qualcomm Incorporated · highest

85
Tokyo Keiki · this assignee

39
3D Lighting Innovati… · lowest

7

What this shows Tokyo's Innovation Score is 38.7/100 (top 40% 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.

Where Tokyo's grants concentrate

Tokyo Keiki Inc. is a focused PatentsView assignee: 20 CPC subclasses with 23.1% of grants classified under 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 ARRA). Peak complete grant year is 2020 (3 grants) versus a trough of 1 in 2015. By volume, Tokyo sits between Think Therapeutics, Inc. and Touching Design Llc.

Think Therapeutics

13
Thinoptics

13
Thomas Engineerin…

13
Tiangong Universi…

13
Tomahawk Robotics

13
Top Flight

13
Topseat Internati…

13
Touching Design

13
Tokyo Keiki ◀

13

What this shows Tokyo holds 13 patents at rank #21,940, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Tokyo

By rank, the assignees closest to #21,940 in granted patent volume.

Leaders in G01S (Radio Direction-finding)

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

Tokyo's Innovation Score vs. every tracked assignee

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

39 Top 40% higher than 60% 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 · 2015–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Tokyo Keiki Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	7.7%
2017	2	15.4%
2018	2	15.4%
2020	3	23.1%
2021	1	7.7%
2022	1	7.7%
2023	2	15.4%
2024	1	7.7%

Which technologies does Tokyo Keiki Inc. patent most?

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 3

G01C - MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 3

B62D - MOTOR VEHICLES; TRAILERS 3

H01Q - ANTENNAS, i.e. RADIO AERIALS 2

G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME 2

H01P - WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE 2

H03F - AMPLIFIERS 2

G08G - TRAFFIC CONTROL SYSTEMS 1

B63B - SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 1

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 1

H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1

F16B - DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 1

B25J - MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES 1

G05D - SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 1

A01B - SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL 1

Top 15 of 20 technology areas

Where it ranks

Overall rank by patents

#21,918

of 50,000 tracked assignees

Innovation Score

38.7 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.