Class / Patent application number | Description | Number of patent applications / Date published |
520 | Synthetic resins or natural rubbers -- part of the class 520 series | 1 |
520001000 | SYNTHETIC RESINS OR NATURAL RUBBERS | 1 |
20150038601 | CONSTANT VELOCITY UNIVERSAL JOINT - There is provided a constant velocity universal joint having excellent durability at high temperature while using a boot made of silicone rubber that does not include cerium oxide or other rare earth element-containing compound. The constant velocity universal joint is provided with an outer joint member ( | 02-05-2015 |