![]() ![]() Results identified (i) fungi as crucial drivers for publications and patents in biotechnology, (ii) enzyme and organic acid production as the main applications, (iii) Aspergillus as the most commonly used genus by biotechnologists, (iv) China, the United States, Brazil, and Europe as the leaders in filamentous fungal science, and (v) the key players in industrial biotechnology. How these outputs vary across fungal species, industrial application(s), geographical locations and biotechnological companies were analysed. To glean a snapshot of the state of the discipline, literature (bibliometry) and patent (patentometry) outputs of filamentous fungal applications and the related fields were quantitatively surveyed. plants or bacteria? From a geographical perspective, where is this work conducted? Which species are predominantly used? How do biotech companies actually use these organisms? For example, are advances in this discipline a major contributor compared to other organisms, e.g. ![]() These exciting advances raise several interrelated questions regarding the contributions of filamentous fungi to biotechnology. More recent applications include processing biomass into construction or textile materials. These organisms are used as cell factories for the synthesis of platform chemicals, enzymes, acids, foodstuffs and therapeutics. Processes and products employing filamentous fungi are increasing contributors to biotechnology. The presented tool and methodology in this study can serve as a blueprint for explorative assessments in any technological domain. However, a broader context beyond patenting is suggested for consideration to make robust statements about particular technology trends. Whereas the position of Germany for batteries and hydrogen is comparable, bioenergy shows different results regarding the identified countries and the number of patents found. The results for named technologies show that patenting activity of Germany is considered lower in comparison to countries such as Japan, China, and the US. In line with this, a freely available patent analysis software tool was developed directly using the European Patent Office database through their Open Patent Services. Based on different patent indicators, the most active countries are compared to provide insights into the global market position of a country, particularly Germany which is used as a reference here. The aim of this article is to analyze trends in patenting that might result in innovations for three energy technologies: thermochemical conversion of biomass (Bioenergy), lithium-ion battery storage, and hydrogen production by alkaline water electrolysis. Patent documents provide knowledge about which countries are investing in certain technologies and make it possible to identify potential innovation trends.
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