Inventor · Erlangen, DE

Albert Hammerschmidt

22Patents
10h-index
30Co-inventors
75Inventor score

Filing activity: May 9, 1988 → Jul 29, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6010798A PEM fuel cell Emerging Cross-Sectional Technologies 38 Expired
US4849051A Heat resistant positive resists and method for preparing heat-resistant relief structures Emerging Cross-Sectional Technologies 34 Expired
US5376499A Highly heat-resistant positive resists comprising end-capped hydroxypolyamides Emerging Cross-Sectional Technologies 34 Expired
US5037876A Planarizing dielectric Electricity 26 Expired
US5556812A Connection and build-up technique for multichip modules Electricity 19 Expired
US5486447A Negative resists with high thermal stability comprising end capped polybenzoxazole and bisazide Emerging Cross-Sectional Technologies 19 Expired
US5096999A Catalytic preparation of hydroxypolyamides Chemistry; Metallurgy 19 Expired
US5081000A Photosensitive mixture Emerging Cross-Sectional Technologies 18 Expired
US4965134A Method for manufacturing highly heat-resistant dielectrics Emerging Cross-Sectional Technologies 17 Expired
US6042993A Photolithographic structure generation process Emerging Cross-Sectional Technologies 15 Expired
US5040090A Capacitive moisture-sensor Emerging Cross-Sectional Technologies 8 Expired
US5601902A Multilayer printed circuit boards and multichip-module substrates, with layers of amorphous hydrogenated carbon Emerging Cross-Sectional Technologies 7 Expired
US7468216B2 Bipolar plate and fuel cell comprising such a bipolar plate Emerging Cross-Sectional Technologies 3 Active
US5104773A Preparing highly thermoresistant relief structures Emerging Cross-Sectional Technologies 2 Expired
US5427985A Amorphous, hydrogenated carbon as an insulator in device fabrication Emerging Cross-Sectional Technologies 2 Expired
US5147961A Preparation of hydroxypolyamides Chemistry; Metallurgy 2 Expired
US8067131B2 Contact device and fuel cell stack or fuel cell block comprising one such contact device Emerging Cross-Sectional Technologies 1 Active
US5631496A Semiconductor component having a passivation layer and method for manufacturing same Electricity 1 Expired
US10741866B2 Fuel cell assembly and method for operating a fuel cell assembly Emerging Cross-Sectional Technologies 0 Active
US10297851B2 Fuel cell assembly and method for operating a fuel cell assembly Emerging Cross-Sectional Technologies 0 Active
US8021797B2 Bipolar plate and fuel cell comprising such a bipolar plate Emerging Cross-Sectional Technologies 0 Active
US9634338B2 Humidification cell Emerging Cross-Sectional Technologies 0 Active

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