Inventor · Yokkaichi, JP

Hirotoshi Maeda

19Patents
5h-index
10Co-inventors
63Inventor score

Filing activity: Jan 5, 1989 → Mar 8, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5342739A Method of preparing a negative pattern utilizing photosensitive polymer composition containing quinonediazide compound and a poly(amido)imide precursor Physics 22 Expired
US5025088A Photosensitive poly(amide)imide heat-resistant polymer Physics 14 Expired
US4904758A Low-melting polyimide copolymer and method for preparing the same Chemistry; Metallurgy 11 Expired
US5442024A Photosensitive polyimide precursor composition Physics 9 Expired
US9579876B1 Printing mechanism Performing Operations; Transporting 6 Active
US10297998B2 Electrical junction box Electricity 5 Active
US5320935A Method of forming a pattern from a photosensitive heat-resistant poly(amide)imide having hydroxyphenyl groups Emerging Cross-Sectional Technologies 5 Expired
US5326792A Polyimide photosensitive cover coating agent Emerging Cross-Sectional Technologies 5 Expired
US5449588A Photosensitive polyimide precursor composition with photoacid generator Physics 5 Expired
US5055549A Process for preparing photosensitive heat-resistant polymer Chemistry; Metallurgy 4 Expired
US5449705A Silicon-containing polyamic acid derivative and photosensitive resin composition using it Emerging Cross-Sectional Technologies 3 Expired
US6664021B1 Photosensitive polymide precursor resin composition Physics 2 Expired
US5298359A Photosensitive heat-resistant polymer having hydroxyphenyl group for forming a patterned image Emerging Cross-Sectional Technologies 2 Expired
US10448497B2 Circuit assembly and electrical junction box Electricity 1 Active
US11289261B2 Circuit assembly Electricity 0 Active
US10442372B2 Vehicle-mounted power distribution board, electrical junction box, and charging/discharging controller Electricity 0 Active
US11104282B2 Circuit assembly Electricity 0 Active
US5026788A Photosensitive polymer having thiol group Physics 0 Expired
US5294696A Process for producing polyisoimide Chemistry; Metallurgy 0 Expired

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