"most widely utilized" is a correct and usable phrase in written English.
You can use it to describe something that is used by a wide variety of people or organizations. For example: "This online application has become one of the most widely utilized tools in the industry."
Transparent-conducting oxides (TCOs) have been the most widely utilized transparent electrodes over the past decades.
Fish constitute the most widely utilized biological resource of the Black Sea.
The ecological exergy is one of the most widely utilized goal functions in the holistic approach.
Distinguishable amplitude difference is the edge feature most widely utilized in common enhancement methods.
Olivine-type LiFePO4 (LFP) is one of the most widely utilized cathode materials for high power Li-ion batteries (LIBs).
The most widely utilized airborne methods are, in increasing order of use, magnetic, magnetic plus radiometric, magnetic plus electromagnetic, and electromagnetic.
Transforming growth factor beta (TGF-β) has become one of the most widely utilized mediators of engineered cartilage growth.
Bisphosphonates (BPs) are the most widely utilized bone-targeting ligand due to exhibiting high binding affinity to hydroxyapatite mineral.
One of the most efficient and widely utilized methods to use in such a situation is importance sampling.
iTRAQ is currently the most popular and widely utilized labeling method in quantitative proteomics and utilizes an isobaric tag (total mass of 145 Da) consisting of a reporter group (mass = 114 117 Da), a balance group (mass = 31 28 Da), and a peptide reactive group.
Amongst these, serial LCQ measurement of total and individual domain scores in chronic cough subjects is the most-validated and widely utilized instrument to assess effects from an intervention [ 19] and a change in LCQ score(s) was used to assess the effect of CPAP therapy in chronic cough patients with co-morbid OSA.
