Inventor · Utsunomiya, JP

Hideaki Sumi

10Patents
4h-index
21Co-inventors
56Inventor score

Filing activity: Aug 11, 1999 → Jul 8, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6472092B1 Fuel-reforming apparatus comprising a plate-shaped reforming catalyst Emerging Cross-Sectional Technologies 24 Expired
US6290877A Method of starting and stopping methanol reforming apparatus and apparatus for supplying fuel to said apparatus Emerging Cross-Sectional Technologies 8 Expired
US7416569B2 Fuel gas production apparatus and method of starting operation of fuel gas production apparatus Chemistry; Metallurgy 6 Expired
US6649562B2 Methanol-decomposing catalyst and methanol-decomposing apparatus comprising same Chemistry; Metallurgy 5 Expired
US7326276B2 Method of shutting off fuel gas manufacturing apparatus Performing Operations; Transporting 3 Active
US7695536B2 Fuel gas manufacturing apparatus Chemistry; Metallurgy 3 Active
US7101513B2 Method of starting and stopping methanol reforming apparatus and apparatus for supplying fuel to said apparatus Emerging Cross-Sectional Technologies 3 Expired
US7427304B2 Fuel gas manufacturing apparatus Chemistry; Metallurgy 0 Active
US9203102B2 Fuel cell Emerging Cross-Sectional Technologies 0 Active
US7449036B2 Fuel gas manufacturing apparatus and method of operating same Emerging Cross-Sectional Technologies 0 Active

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