Inventor · Kwai Chung, CN

Tsz-Sin Siu

8Patents
5h-index
5Co-inventors
52Inventor score

Filing activity: Mar 26, 2004 → Sep 13, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7255771B2 Multiple zone carrier head with flexible membrane Performing Operations; Transporting 58 Expired
US8088299B2 Multiple zone carrier head with flexible membrane Performing Operations; Transporting 19 Active
US7081042B2 Substrate removal from polishing tool Performing Operations; Transporting 16 Expired
US8454413B2 Multi-chamber carrier head with a textured membrane Performing Operations; Transporting 6 Active
US8808062B2 Multi-chamber carrier head with a textured membrane Performing Operations; Transporting 5 Active
US7842158B2 Multiple zone carrier head with flexible membrane Performing Operations; Transporting 4 Active
US10702971B2 Textured membrane for a multi-chamber carrier head Performing Operations; Transporting 2 Active
US9452505B2 Textured membrane for a multi-chamber carrier head Performing Operations; Transporting 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.