Inventor · Yokohama, JP

Yoshiyuki Takeda

21Patents
7h-index
42Co-inventors
65Inventor score

Filing activity: Jul 10, 1990 → Feb 27, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5781311A Planar light source and image reading device Electricity 41 Expired
US5412462A Automatic document conveying apparatus Physics 17 Expired
US5126787A Automatic document conveying device Physics 15 Expired
US5338018A Automatic document feeder Physics 12 Expired
US6505028B1 Image forming apparatus and fixing device for use with the same Physics 10 Expired
US6574449B2 Image forming apparatus, and fixing device for use with the same Physics 8 Expired
US6008910A Film image reading apparatus and method in which multiple images are simultaneously displayed Electricity 7 Expired
US5027162A Automatic document conveying device Physics 7 Expired
US6720077B2 Resin composition, and use and method for preparing the same Emerging Cross-Sectional Technologies 6 Expired
US5143363A Automatic document conveying device Physics 5 Expired
US5848336A Electrostatic latent image developer with shaft bearing members Physics 5 Expired
US5200790A Automatic document conveying device Physics 4 Expired
US5064188A Automatic document conveying device which opens so jams may be cleared Physics 4 Expired
US5156390A Automatic document conveying device permitting the neat stacking of discharged documents Physics 4 Expired
US6214468A Flame retardant epoxy resin composition for printed board, and prepreg and metal foil clad laminate using the same Emerging Cross-Sectional Technologies 3 Expired
US5895139A Image forming device with a printer unit and a copying unit Physics 2 Expired
US6204937A Image reading device with a built-in shielding device and related image scanning method Electricity 2 Expired
US7041399B2 Varnish for laminate or prepreg, laminate or prepreg obtained with this varnish, and printed circuit board made with this laminate or prepreg Emerging Cross-Sectional Technologies 1 Expired
US5956540A Network printer/photocopier configuration and sheet transport system therefor Physics 1 Expired
US7538150B2 Dihydrobenzoxazine ring-containing resin, phenolic-triazine-aldehyde condensate and epoxy resin Emerging Cross-Sectional Technologies 0 Active
US7390571B2 Varnish for laminate or prepreg, laminate or prepreg prepared using this varnish, and printed wiring board prepared using this laminate or prepreg Emerging Cross-Sectional Technologies 0 Expired

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