Inventor · Hennef (Sieg), DE

Toralf Gruner

128Patents
10h-index
168Co-inventors
83Inventor score

Filing activity: Aug 21, 2001 → Apr 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7408616B2 Microlithographic exposure method as well as a projection exposure system for carrying out the method Physics 76 Expired
US7145720B2 Objective with fluoride crystal lenses Emerging Cross-Sectional Technologies 62 Expired
US7460206B2 Projection objective for immersion lithography Physics 53 Expired
US7847921B2 Microlithographic exposure method as well as a projection exposure system for carrying out the method Physics 47 Active
US7256932B2 Optical system for ultraviolet light Physics 36 Expired
US6728043B2 Microlithographic illumination method and a projection lens for carrying out the method Emerging Cross-Sectional Technologies 23 Expired
US6806942B2 Projection exposure system Physics 22 Expired
US7463422B2 Projection exposure apparatus Physics 16 Active
US7239450B2 Method of determining lens materials for a projection exposure apparatus Physics 16 Expired
US8325322B2 Optical correction device Physics 11 Active
US8237918B2 Optical system of a microlithographic projection exposure apparatus Physics 10 Active
US8379188B2 Optical system Physics 10 Active
US7286284B2 Microscope imaging system and method for emulating a high aperture imaging system, particularly for mask inspection Emerging Cross-Sectional Technologies 9 Expired
US8508854B2 Optical element and method Physics 6 Active
US8310752B2 Method of manufacturing a projection objective and projection objective Physics 6 Active
US7589903B2 Projection objective adapted for use with different immersion fluids or liquids, method of conversion of such and production method Physics 5 Active
US6963449B2 Method for improving the imaging properties of at least two optical elements and photolithographic fabrication method Emerging Cross-Sectional Technologies 5 Expired
US7027237B2 Method for improving the imaging properties of at least two optical elements and photolithographic fabrication method Emerging Cross-Sectional Technologies 5 Expired
US11003088B2 Method and device for the correction of imaging defects Physics 5 Active
US8896814B2 Catadioptric projection objective comprising deflection mirrors and projection exposure method Physics 5 Active
US7782440B2 Projection lens system of a microlithographic projection exposure installation Physics 4 Active
US7982854B2 Projection exposure system, method for manufacturing a micro-structured structural member by the aid of such a projection exposure system and polarization-optical element adapted for use in such a system Physics 4 Active
US10120176B2 Catadioptric projection objective comprising deflection mirrors and projection exposure method Physics 3 Active
US9146475B2 Projection exposure system and projection exposure method Physics 3 Active
US7423765B2 Optical system of a microlithographic projection exposure apparatus Physics 3 Expired

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