Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9853892 | Control method, information processing device, and communication system | Hiroyuki Fujii, Koichiro Hojo, Akira Sugiyama, Ryuichi KIMURA | 2017-12-26 |
| 9631450 | Surface layer conductor running tool for deep-water well drilling | Baojiang Sun, Ning Zhang, Hao Li, Yonghai Gao, Guomin Yan +1 more | 2017-04-25 |