Company Analysis

ACM Research, Inc. (ACMR)

Nasdaq: ACMR · Special Industry Machinery, NEC · Fremont, CA · filing with the SEC since 2016
Grade5.4
◀ Past 5.2● Present 5.8▶ Future 5.2

Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

78 patents granted to the 4 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to ACM Research, Inc.’s names, not what it holds today.

Patents granted
78
78 utility, 1976 to Dec 31, 2025
Granted in 2025
6
Against 12 in 2024 and 7 in 2023
Applications published
119
16 of them in 2025
Names they are printed under
4
a subsidiary, its own name
By yearGrantedApplications published
'10'11'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Semiconductors24
Surface technology, coating8
Chemical engineering4
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
ACM Research (Shanghai) Inc. a subsidiary
CN, as the owner printed on each patent
65 granted
97 published
ACM RESEARCH, INC. its own name
US, as the owner printed on each patent. 4 more under the same name are not counted (printed in CN)
13 granted
10 published
ACM Research (Shanghai) Inc. a subsidiary
named as the applicant on its applications, in CN
0 granted
6 published
ACM Research Korea CO., LTD. a subsidiary
KR, as the owner printed on each patent
0 granted
6 published
Names not counted (2)
CleanChip Technologies Limited
Most of its patents print CN; this name counts in HK. 0 granted and 6 published under it are not counted.
CleanChip Technologies Limited
Most of its patents print CN; this name counts in HK. 0 granted and 6 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 9, 202512,494,360Apparatus and method for cleaning semiconductor wafersSemiconductorsACM Research (Shanghai) Inc.
Dec 2, 202512,486,590Substrate processing methodSurface technology, coatingACM Research (Shanghai) Inc.
Nov 25, 202512,482,697Substrate supporting apparatusSemiconductorsACM Research (Shanghai) Inc.
Nov 11, 202512,467,156Plating apparatus and plating methodSurface technology, coatingACM Research (Shanghai) Inc.
Jun 17, 202512,334,367Method and apparatus for removing particles or photoresist on substratesSemiconductorsACM Research (Shanghai) Inc.
Jan 7, 202512,186,684Method and apparatus for cleaning substrates using high temperature chemicals and ultrasonic deviceSemiconductorsACM Research (Shanghai) Inc.
Oct 8, 202412,111,575Coater with automatic cleaning function and coater automatic cleaning methodSemiconductorsACM Research (Shanghai) Inc.
Sep 24, 202412,100,586Substrate cleaning method and apparatusSemiconductorsACM Research (Shanghai) Inc.
Aug 20, 202412,068,149Apparatus and method for cleaning semiconductor wafersSemiconductorsACM Research (Shanghai) Inc.
Aug 13, 202412,062,556Methods and apparatus for cleaning semiconductor wafersSemiconductorsACM Research (Shanghai) Inc.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Sep 11, 20252025/0285882METHOD AND APPARATUS FOR REMOVING PARTICLES OR PHOTORESIST ON SUBSTRATESSemiconductorsACM Research (Shanghai) Inc.
Jun 19, 20252025/0198039ELECTROPLATING APPARATUSSurface technology, coatingACM Research (Shanghai) Inc.
Jun 12, 20252025/0188612FILM DEPOSITION DEVICESurface technology, coatingACM Research Korea CO., LTD.
Jun 5, 20252025/0183059SUBSTRATE PROCESSING APPARATUSChemical engineeringACM Research (Shanghai) Inc.
May 15, 20252025/0157841SUBSTRATE CLEANING APPARATUS AND TURN-OVER DEVICE THEREOFSemiconductorsACM Research (Shanghai) Inc.
May 15, 20252025/0157019ELECTROPLATING CHAMBER LEAKAGE PLATING WARNING METHOD AND SYSTEMSemiconductorsACM Research (Shanghai) Inc.
Apr 24, 20252025/0130511COATING AND DEVELOPING DEVICESemiconductorsACM Research Korea CO., LTD.
Apr 24, 20252025/0128435THIN WAFER TRANSFER METHODSemiconductorsACM Research (Shanghai) Inc.
Apr 3, 20252025/0109495FURNACE TUBE FOR THIN FILM DEPOSITION, THIN FILM DEPOSITION METHOD AND PROCESSING APPARATUSSurface technology, coatingACM Research Korea CO., LTD.
Feb 27, 20252025/0066945LIQUID STORAGE DEVICE AND ELECTROPLATING APPARATUSSurface technology, coatingACM Research (Shanghai) Inc.
What it applied for, 2024 to 2025: Semiconductors 17 · Surface technology, coating 16 · Chemical engineering 2.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton ACMR · research, not advice