Inventor · Seongnam-si, KR

Mitsuhiro Hata

17Patents
5h-index
14Co-inventors
55Inventor score

Filing activity: Oct 23, 2004 → Jul 25, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7361609B2 Mask patterns for semiconductor device fabrication and related methods Electricity 22 Expired
US7855038B2 Mask patterns for semiconductor device fabrication and related methods and structures Electricity 20 Active
US7384730B2 Top coating composition for photoresist and method of forming photoresist pattern using same Emerging Cross-Sectional Technologies 8 Expired
US7314691B2 Mask pattern for semiconductor device fabrication, method of forming the same, method for preparing coating composition for fine pattern formation, and method of fabricating semiconductor device Physics 8 Expired
US8048612B2 Polymer and chemically amplified resist composition comprising the same Emerging Cross-Sectional Technologies 5 Active
US9063414B2 Photoresist composition Physics 3 Active
US7604911B2 Mask pattern for semiconductor device fabrication, method of forming the same, method for preparing coating, composition for fine pattern formation, and method of fabricating semiconductor device Physics 2 Active
US8062829B2 Chemically amplified resist composition and chemically amplified resist composition for immersion lithography Emerging Cross-Sectional Technologies 1 Active
US7981985B2 Polymer and chemically amplified resist composition comprising the same Chemistry; Metallurgy 1 Active
US7361612B2 Barrier coating compositions containing silicon and methods of forming photoresist patterns using the same Physics 1 Active
US8475999B2 Compound and photoresist composition containing the same Chemistry; Metallurgy 1 Active
US7985529B2 Mask patterns including gel layers for semiconductor device fabrication Physics 0 Active
US8476473B2 Compound, method for preparing the compound and resist composition containing the compound Chemistry; Metallurgy 0 Active
US7468235B2 Barrier coating compositions containing fluorine and methods of forming photoresist patterns using such compositions Emerging Cross-Sectional Technologies 0 Active
US7642042B2 Polymer, top coating layer, top coating composition and immersion lithography process using the same Chemistry; Metallurgy 0 Active
US8546059B2 Photoresist composition Physics 0 Active
US8900790B2 Photoresist composition Physics 0 Active

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