Inventor · San Jose, CA, US

Ping-Hsu Chen

16Patents
3h-index
38Co-inventors
56Inventor score

Filing activity: Jun 13, 2002 → Nov 5, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7144297B2 Method and apparatus to enable accurate wafer prediction Physics 20 Expired
US7634325B2 Prediction of uniformity of a wafer Electricity 8 Active
US8682466B2 Automatic virtual metrology for semiconductor wafer result prediction Physics 8 Active
US6926584B2 Dual mode hybrid control and method for CMP slurry Performing Operations; Transporting 3 Expired
US11027965B2 Cap rotation device Performing Operations; Transporting 2 Active
US8409993B2 Method and system for controlling copper chemical mechanical polish uniformity Electricity 2 Active
US10425597B2 Combined visible and infrared image sensor incorporating selective infrared optical filter Electricity 1 Active
US9667933B2 Color and infrared filter array patterns to reduce color aliasing Electricity 1 Active
US6884149B2 Method and system for in-situ monitoring of mixing ratio of high selectivity slurry Performing Operations; Transporting 0 Expired
US11022018B2 Exhaust system and method of using Mechanical Engineering; Lighting; Heating 0 Active
US10964744B1 Light control for improved near infrared sensitivity and channel separation Electricity 0 Active
US11324101B2 Active fluid static elimination system Physics 0 Active
US6729935B2 Method and system for in-situ monitoring of mixing ratio of high selectivity slurry Performing Operations; Transporting 0 Expired
US11203451B2 Multifunction cap replacement module Performing Operations; Transporting 0 Active
US10473021B2 Exhaust system and method of using Mechanical Engineering; Lighting; Heating 0 Active
US9781362B1 Flare-reducing imaging system and associated image sensor Electricity 0 Active

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