[1] Xudong Ren, Bingquan Chen, Yunpeng Ren, Xinzhou Zhang, Lan Chen, A device and method for improving the wear resistance of cylinder of engine without cylinder liner, China, 201710753602.8.
[2] Xudong Ren, Youmin Shi, Yunpeng Ren, Xinzhou Zhang, Lan Chen, Jianrong Sun, A device and method for laser cavitation cleaning of micro-nano particles on the surface of materials, China, 201710757960.6.
[3] Xudong Ren, Rong Liu, Lin Li, Yunpeng Ren, Mian Wang, Zhengzheng Hu, Chengyun Cui, Fengze Dai, Yanqun Tong, A method and device to improve the synthesis efficiency of nano diamond, China, 201610423971.6.
[4] Xudong Ren, Zhao Ye, Lin Li, Yunpeng Ren, Yanqun Tong, Rui Zhou, Zhengzheng Hu, A device and method of laser processing of crankshaft, China, 201610252691.3.
[5] Xudong Ren, Zhengzheng Hu, Lin Li, Yunpeng Ren, Yanqun Tong, JIanrong Sun, Rui Zhou, Zhao Ye, A manufacturing method of engine crankshaft and corresponding laser shock processing device, China, 201610252696.6.
[6] Yang Chen, Yunpeng Ren, Xinjian Yang, Xianshuai Chen, A combined artificial spinal and vertebral internal fixation device, China, 201420602757.3.
[7] Zhu Zheng, Olaf Eichstädt, Yunpeng Ren, Ruxu Du, An optical system for 3D printing and its control method, China, 201410328198.6.