UnfoldIP

Patent Theme

Optical Component and Fiber Characterization

Techniques and apparatus for measuring and verifying the performance, properties, and structural integrity of optical components like lenses, waveguides, and optical fibers. This includes loss, refractive index, and physical defects.

5,185 US filings from 1,225 companies since 2023 · 2023: 1,305 · 2024: 1,620 · 2025: 1,530 · 2026 YTD: 730

Machine Testing

Top companies

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

#CompanySince 20232023202420252026 YTDYoY
1Sumitomo Electric Industries, Ltd.26959847056-16.7%
2CORNING RESEARCH & DEVELOPMENT CORPORATION23461627338+17.7%
3Nippon Telegraph and Telephone Corporation1995086576-33.7%
4COMMSCOPE TECHNOLOGIES LLC1645749508+2.0%
5Huawei Technologies Co., Ltd.12937284915+75.0%
6Fujikura Ltd.1263235509+42.9%
7VIAVI Solutions Inc.10730323312+3.1%
8NEC CORPORATION9915432615-39.5%
9CORNING INCORPORATED7420162018+25.0%
10Senko Advanced Components, Inc.662517168-5.9%
11FURUKAWA ELECTRIC CO., LTD.651526204-23.1%
12US Conec Ltd.611524166-33.3%
13Sumitomo Electric Optifrontier Co., Ltd.551121914-57.1%
143M Innovative Properties Company52162592-64.0%
15Ciena Corporation511616127-25.0%
16HAMAMATSU PHOTONICS K.K.50820175-15.0%
17Sterlite Technologies Limited461510147+40.0%
18EXFO Inc.40811174+54.5%
19Fujitsu Limited361110141+40.0%
20Clearfield, Inc.33141072-30.0%
21Yokogawa Electric Corporation33511134+18.2%
22II-VI DELAWARE, INC.3271276-41.7%
23INTEL CORPORATION3268162+100.0%
24Panduit Corp.3299104+11.1%
25CommScope Connectivity Belgium BVBA3181274-41.7%