Where does Nihon Yamamura Glass Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Nihon Yamamura Glass Co., Ltd. ranks #23,084 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 Nihon Yamamura Glass Co., Ltd. hold?

Nihon Yamamura Glass Co., Ltd. holds 12 US utility patents granted between 2015 and 2022, spanning 11 technology areas.

What is Nihon Yamamura Glass Co., Ltd.'s Innovation Score?

Nihon Yamamura Glass Co., Ltd. has an Innovation Score of 29.3 out of 100 (top 70% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Nihon Yamamura Glass Co., Ltd.'s patent grant rate increasing or decreasing?

Nihon Yamamura Glass Co., Ltd.'s recent grant velocity is -67% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Nihon Yamamura Glass Co., Ltd.'s patents?

Nihon Yamamura Glass Co., Ltd.'s patents average 10.8 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 Nihon Yamamura Glass 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

Nihon Yamamura Glass Co., Ltd.

Q: What technology areas does Nihon Yamamura Glass Co., Ltd. focus on?

Nihon Yamamura Glass Co., Ltd.'s top technology area is C03B (MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES) with 4 patents. Grants appear in 11 CPC subclasses total.

USPTO PatentsView assignee record - 12 granted patents across 11 technology areas, recorded in grant years 2015–2022. 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: C03B (MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Nihon ranks #23,084 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 11 technology areas.

#23,084
of 50,000 US assignees by volume: Top 70%
by Innovation Score (29.3/100): 10.8
avg claims per patent: -67%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R23084 · Foreign Corporation #23,084 · 12 grants

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

GRANTS-MICRO 12 grants
MID-PACK #23,084/50,000
PHOTO-FINISH NICHEM FINE TECHNOLOGY
CPC-FOCUS C03B · 11 areas
INNOV-THIN 29.3/100
CLAIMS-PAR 10.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -67% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Nichem FINE Technology Co., Ltd. (±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
Endogastric Solutions · near

29
Hatchtech Group B v · near

29
Nihon Yamamura Glass · this assignee

29
COTA · near

29
LIST · near

29
3D Lighting Innovati… · lowest

7

What this shows Nihon's Innovation Score is 29.3/100 (top 70% 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 Nihon's grants concentrate

Nihon Yamamura Glass Co., Ltd. is a focused PatentsView assignee: 11 CPC subclasses with 33.3% of grants classified under C03B (MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES). Peak complete grant year is 2016 (5 grants) versus a trough of 1 in 2015. By volume, Nihon sits between Nichem FINE Technology Co., Ltd. and Nippon Tungsten Co., Ltd..

Nichem FINE Techn…

12
Nicholas Kirkwood

12
Nicox Ophthalmics

12
Nihon TRIM

12
Ningbo Gecen Prom…

12
Ningobo Yinzhou S…

12
Nippon Conlux

12
Nippon Tungsten

12
Nihon Yamamura Gl… ◀

12

What this shows Nihon holds 12 patents at rank #23,044, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nihon

By rank, the assignees closest to #23,044 in granted patent volume.

Leaders in C03B (Manufacture)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Nihon, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (29 here).

Hatchtech Group B.v. 29 Endogastric Solutions, Inc. 29 LIST Ag 29 COTA, Inc. 29

Nihon's Innovation Score vs. every tracked assignee

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

29 Top 70% higher than 30% 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 · 2015–2022

Grants by year

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

View data table

Nihon Yamamura Glass Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	8.3%
2016	5	41.7%
2017	2	16.7%
2019	1	8.3%
2020	2	16.7%
2022	1	8.3%

Which technologies does Nihon Yamamura Glass Co., Ltd. patent most?

C03B - MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES 4

C03C - CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS 4

H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 3

Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION 3

G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2

G05B - CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1

G06V - IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING 1

G06F - ELECTRIC DIGITAL DATA PROCESSING 1

G01B - MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS 1

B05B - SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 1

C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS 1

Top 11 of 11 technology areas

Where it ranks

Overall rank by patents

#23,084

of 50,000 tracked assignees

Innovation Score

29.3 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.