RainPat专利检索 润桐RainPat专利检索RainPat提供了免费的专利检索服务,此外,还提供了一些专利数据定制服务,如专利号查询、权利要求信息、专利说明书数据接口,以及专利权转移数据、专利权许可数据、专利权质押数据、复审无效数据等。但是,使用RainPat的专利检索服务需要用账号登录,这对于许多初级用户来说相当于设置了一道槛,也许用户第一次看到需要注册登录,就直接放弃了。 专业的知识产权大数据调查平台,提供专利检索,专利查询,专利搜索,专利引证,专利交易,商标查询,版权查询,知识产权裁判文书等全品类知识产权大数据,为客户提供专利预警,专利分析,专利导航,知识产权评议和专利数据库建设等特色服务,同时还具有专利代理,商标注册,专利转让,专利运营,专利托管,专利质押,专利保险,专利申请,专利复审,专利无效,专利诉讼,专利资产评估,技术转移,商标转让,商标交易,版权代理,版权交易,专利下载,专利信息,技术转让,专利文献,技术交易及知识产权信息服务
Yandex Yandex — a fast Internet search俄罗斯最大的搜索引擎 Yandex is a technology company that builds intelligent products and services powered by machine learning. Our goal is to help consumers and businesses better navigate the online and offline world. Since 1997, we have delivered world-class, locally relevant search and information services. Additionally, we have developed market-leading on-demand transportation services, navigation products, and other mobile applications for millions of consumers across the globe. Yandex, which has 17 offices worldwide, has been listed on the NASDAQ since 2011.
EcosiaEcosia uses the ad revenue from your searches to plant trees where they are needed the most. By searching with Ecosia, you’re not only reforesting our planet, but you’re also empowering the communities around our planting projects to build a better future for themselves. Give it a try!
Lycos韩文版 Lycos.com搜索引擎最早提供综合信息搜索服务的网站之一,搜索引擎中的长青藤。 Lycos, Inc., is a web search engine and web portal established in 1994, spun out of Carnegie Mellon University. Lycos also encompasses a network of email, webhosting, social networking, and entertainment websites.