Where does Japan Lifeline Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Japan Lifeline Co., Ltd. ranks #17,802 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 Japan Lifeline Co., Ltd. hold?

Japan Lifeline Co., Ltd. holds 16 US utility patents granted between 2016 and 2025, spanning 6 technology areas.

What is Japan Lifeline Co., Ltd.'s Innovation Score?

Japan Lifeline Co., Ltd. has an Innovation Score of 44.0 out of 100 (top 27% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Japan Lifeline Co., Ltd. focus on?

Japan Lifeline Co., Ltd.'s top technology area is A61B (DIAGNOSIS; SURGERY; Identification) with 13 patents, ranking #1,352 of 7,127 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is Japan Lifeline Co., Ltd.'s patent grant rate increasing or decreasing?

Japan Lifeline Co., Ltd.'s recent grant velocity is +40% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Japan Lifeline Co., Ltd.'s patents?

Japan Lifeline Co., Ltd.'s patents average 9.3 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 Japan Lifeline Co., 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Japan Lifeline Co., Ltd.

USPTO PatentsView assignee record - 16 granted patents across 6 technology areas, recorded in grant years 2016–2025. 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: A61B (DIAGNOSIS; SURGERY; Identification).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Japan ranks #17,802 of 49,997 tracked US assignees by granted-patent volume, with 16 patents across 6 technology areas.

#17,802
of 49,997 US assignees by volume: Top 27%
by Innovation Score (44.0/100): 9.3
avg claims per patent: +40%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R17802 · Foreign Corporation #17,802 · 16 grants

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

GRANTS-MICRO 16 grants
MID-PACK #17,802/49,997
PHOTO-FINISH Jabil Circuit
CPC-NARROW A61B · 6 areas
INNOV-PAR 44.0/100
CLAIMS-PAR 9.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +40% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Jabil Circuit, 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.

How Japan’s 44.0 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 9.8 pts (22%) Velocity 20.0 pts (45%) Breadth 8.7 pts (20%) Claim depth 5.6 pts (13%)

Qualcomm Incorporated · highest

85
Japan Lifeline · this assignee

44
3D Lighting… · lowest

7

What this shows Japan's Innovation Score is 44.0/100 (top 27% 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 Japan?

Each dot is one of Japan’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). Japan’s own 9.3 claims/patent is at or below the 12.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Japan's grants concentrate

Japan Lifeline Co., Ltd. is a focused PatentsView assignee: 6 CPC subclasses with 81.3% of grants classified under A61B (DIAGNOSIS; SURGERY; Identification). Peak complete grant year is 2022 (3 grants) versus a trough of 1 in 2016. By volume, Japan sits between J&P Invesco LLC and Jgmg Bengochea, LLC.

Japan's three-year grant acceleration

Japan Lifeline Co., Ltd. shows 6 grants in 2022–2024 against only 1 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.

J&P Invesco

16
Jabil Circuit

16
Jacobio Pharmaceu…

16
Japan Materials

16
Japan Vilene

16
JDS Therapeutics

16
Jenetric

16
Jgmg Bengochea

16
Japan Lifeline ◀

16

What this shows Japan holds 16 patents at rank #17,799, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Japan

By rank, the assignees closest to #17,799 in granted patent volume.

Leaders in A61B (Diagnosis)

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

Japan's Innovation Score vs. every tracked assignee

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

44 Top 27% higher than 73% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Japan Lifeline Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	6.3%
2017	2	12.5%
2018	2	12.5%
2021	1	6.3%
2022	3	18.8%
2024	3	18.8%
2025partial year	4	25.0%

Which technologies does Japan Lifeline Co., Ltd. patent most?

A61B - DIAGNOSIS; SURGERY; Identification 13

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 7

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 4

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 2

G06F - Electric Digital Data Processing 1

G02B - Optical Elements, Systems OR Apparatus 1

Top 6 of 6 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

Japan Lifeline Co., Ltd.'s patent record in context - here's where to go next.

Japan Lifeline Co., Ltd.'s lead technology class is A61B (DIAGNOSIS; SURGERY; Identification), 81.3% of its portfolio - see every assignee active in that class. Explore A61B
Ranked #17,802 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Japan Lifeline Co., Ltd. against J&P Invesco LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 44.0/100 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.