한국철도학회:학술대회논문집 (Proceedings of the KSR Conference)
- 한국철도학회 2008년도 추계학술대회 논문집
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- Pages.602-605
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- 2008
고속화차의 특허동향에 관한 연구
A Study on the Patent Trend of High Speed Freight Car
- 발행 : 2008.11.13
초록
Recently, it has been trending toward speed-up not only in the passenger car but in the freight car. In this paper, the trend of the market demand for the technology of railway freight cars and the development direction of other country or company were studied by analysing the patent map. The effort for developing the technology is it seems to be more strengthened especially in the parts of bogie, brake, suspension. The increasing rate of the number of patent application from the United States of America is noticeable. The results of this paper can be used for making the development plans of competitive technologies and benchmarking of them.
키워드