UnfoldIP

Patent Theme

Optical & Image-based Metrology

Utilizing optical systems, cameras, and image processing algorithms for precise measurement of physical dimensions, alignment, defects, and features on semiconductor wafers or packages.

7,240 US filings from 1,715 companies since 2023 · 2023: 1,670 · 2024: 2,220 · 2025: 2,336 · 2026 YTD: 1,014

Semiconductor Testing

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#CompanySince 20232023202420252026 YTDYoY
1KLA Corporation3728210512362+17.1%
2Samsung Electro-Mechanics Co., Ltd.283531029137-10.8%
3ASML Netherlands B.V.25839949530+1.1%
4CANON KABUSHIKI KAISHA25755669739+47.0%
5SAMSUNG ELECTRONICS CO., LTD.23446568943+58.9%
6Applied Materials Israel Ltd.11728274220+55.6%
7LARGAN PRECISION CO., LTD.11032383010-21.1%
8Applied Materials, Inc.10623284312+53.6%
9FUJIFILM CORPORATION9923243220+33.3%
10CARL ZEISS SMT GMBH9413293418+17.2%
11HITACHI HIGH-TECH CORPORATION93213131100.0%
12HAMAMATSU PHOTONICS K.K.821931239-25.8%
13MITUTOYO CORPORATION6715162313+43.8%
14Onto Innovation Inc.5810151815+20.0%
15Nova Ltd.571716195+18.8%
16KABUSHIKI KAISHA TOSHIBA5415171750.0%
17ASML Holding N.V.461417105-41.2%
18AUROS TECHNOLOGY, INC.4562982-72.4%
19Taiwan Semiconductor Manufacturing Company, Ltd.438131210-7.7%
20Panasonic Intellectual Property Management Co., Ltd.418151530.0%
21Carl Zeiss Microscopy GmbH4069169+77.8%
22ZEBRA TECHNOLOGIES CORPORATION39139152+66.7%
23Apple Inc.3871615·-6.2%
24LEICA MICROSYSTEMS CMS GMBH38513164+23.1%
25Carl Zeiss Meditec AG377131340.0%