Inventor · Chillicothe, IL, US

Mark Hawkins

49Patents
23h-index
55Co-inventors
88Inventor score

Filing activity: Jun 24, 1987 → Jun 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5221556A Gas injectors for reaction chambers in CVD systems Chemistry; Metallurgy 665 Expired
US6053982A Wafer support system Electricity 649 Expired
US5997588A Semiconductor processing system with gas curtain Emerging Cross-Sectional Technologies 589 Expired
US6093252A Process chamber with inner support Electricity 540 Expired
US6692576B2 Wafer support system Electricity 517 Expired
US4828224A Chemical vapor deposition system Emerging Cross-Sectional Technologies 485 Expired
US10167557B2 Gas distribution system, reactor including the system, and methods of using the same Emerging Cross-Sectional Technologies 429 Active
US6126744A Method and system for adjusting semiconductor processing equipment Chemistry; Metallurgy 389 Expired
US6821825B2 Process for deposition of semiconductor films Emerging Cross-Sectional Technologies 240 Expired
US5469356A System for controlling a vehicle to selectively allow operation in either an autonomous mode or a manual mode Physics 110 Expired
US6113702A Wafer support system Electricity 52 Expired
US5435682A Chemical vapor desposition system Emerging Cross-Sectional Technologies 50 Expired
US6343183B1 Wafer support system Electricity 49 Expired
US6203622A Wafer support system Electricity 45 Expired
US5020475A Substrate handling and transporting apparatus Chemistry; Metallurgy 43 Expired
US5092728A Substrate loading apparatus for a CVD process Chemistry; Metallurgy 42 Expired
US5925081A System and method for managing access to a load resource having a loading machine Physics 41 Expired
US5525157A Gas injectors for reaction chambers in CVD systems Chemistry; Metallurgy 34 Expired
US6032093A Apparatus and method for restricting implement movement of a work machine Fixed Constructions 31 Expired
US7648579B2 Substrate support system for reduced autodoping and backside deposition Electricity 30 Expired
US6709267B1 Substrate holder with deep annular groove to prevent edge heat loss Emerging Cross-Sectional Technologies 30 Expired
US5411590A Gas injectors for reaction chambers in CVD systems Chemistry; Metallurgy 28 Expired
US5823295A Lubrication control system for a work machine Mechanical Engineering; Lighting; Heating 25 Expired
US5458918A Gas injectors for reaction chambers in CVD systems Chemistry; Metallurgy 20 Expired
US4874464A Process for epitaxial deposition of silicon Emerging Cross-Sectional Technologies 19 Expired

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