Inventor · Tokyo, JP

Seiichi Handa

17Patents
6h-index
28Co-inventors
66Inventor score

Filing activity: Mar 20, 1996 → Mar 15, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US7653332B2 Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images Physics 13 Active
US7630657B2 Method, apparatus, and program for image forming capable of effectively adjusting positional deviation Physics 12 Active
US7693468B2 Image forming apparatus capable of effectively forming a quality color image Physics 11 Active
US7729024B2 Color drift error correcting method and image forming apparatus Physics 9 Active
US7885587B2 Image forming apparatus with color shift correction suppressing periodic fluctuations of a surface moving speed of a latent image support Physics 9 Active
US7532842B2 Color printing apparatus capable of color registration difference correction Physics 8 Active
US7937007B2 Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus Physics 4 Active
US6088909A Manufacturing method of complex magnetic head core Emerging Cross-Sectional Technologies 3 Expired
US6034846A Complex magnetic head having upper and lower rank core chips and method for manufacturing the same Physics 3 Expired
US7778575B2 Imaging apparatus adjusting a rotational stop phase based on a calculated rotational phase Physics 3 Active
US5999498A Reduced profile magnetic head assembly and method of manufacturing reduced profile magnetic head support structure Physics 2 Expired
US9772809B2 Printed matter delivery system, image forming apparatus, and printed matter delivery apparatus Physics 1 Active
US5731938A Magnetic head device having increased dimensional accuracy and improved magnetic characteristics Physics 1 Expired
US8311421B2 Conveyer-member control device, image forming apparatus, and drive control method Physics 1 Active
US6400530B1 Complex magnetic head and manufacturing method of complex magnetic head core Emerging Cross-Sectional Technologies 0 Expired
US8331822B2 Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus Physics 0 Active
US5894387A Magnetic head device having increased dimensional accuracy and improved magnetic characteristics Physics 0 Expired

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