The latest report from Appleyard Lees indicates a plateau in hydrogen innovation based on patent data, but underlying trends signal ongoing development. While there has been a slowdown in patent filings for hydrogen technologies, the hydrogen storage market is projected to expand significantly by 2028, supported by the integration of hydrogen storage with renewable energy generation. Innovation in mechanical engineering applications for hydrogen storage has surged, particularly in technologies for storing liquefied and solidified gases. Notably, the transport sector, especially shipping and aviation, has shown significant activity in hydrogen storage innovation. The Republic of Korea leads in patent filings for hydrogen storage, followed by Europe, reflecting a global shift in hydrogen technology leadership. Companies like Hyundai and Bosch are investing heavily in hydrogen fuel cell technology. The report highlights the importance of scaling up production and storage capabilities to meet the increasing demand for hydrogen efficiently and safely. The global focus on hydrogen innovation aligns with sustainable development goals and efforts to address environmental challenges. Despite the temporary plateau, the future of hydrogen technologies remains promising with ongoing advancements and investments.