Since 2003, China has filed for 1,902 patents related to high-speed railways, with 1,421 approved and 481 still being examined. But the 21 recent applications are the first based upon Japanese Shinkansen technology.
自2003年以来，中国已经提交了1902项与高速铁路有关的专利，其中1421项得到批准，481项仍在审核。但最近提交的21项专利则是首次基于日本新干线技术的。