Inventor · Fujisawa, JP

Daisuke Imafuku

16Patents
4h-index
9Co-inventors
45Inventor score

Filing activity: Mar 28, 2002 → Apr 15, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6768594B2 Projection lens apparatus and rear projection type image display apparatus using the same Physics 23 Expired
US7245429B2 Image display device, rear projection type screen used in image display device, Fresnel lens sheet, and method of making Fresnel lens sheet Physics 16 Active
US7460301B2 Image display apparatus, and transmissive screen and reflecting mirror used for same Electricity 4 Expired
US7261421B2 Optical projector and image display apparatus using the same Physics 4 Expired
US7362503B2 Screen, Fresnel lens sheet used for the same, and image display apparatus using the same Physics 4 Expired
US7095558B2 Image display device, rear projection type screen used in image display device, Fresnel lens sheet, and method of making Fresnel lens sheet Physics 2 Expired
US7433121B2 Projection type image display apparatus Physics 2 Active
US7589904B2 Projection type image display device Electricity 2 Active
US7551352B2 Image display apparatus, as well as, Fresnel lens sheet and screen to be used therein Physics 1 Expired
US7697202B2 Screen, fresnel lens sheet used for the same, and image display apparatus using the same Physics 1 Active
US7529023B2 Image display, Fresnel lens and screen Physics 0 Active
US7403335B2 Screen, Fresnel lens sheet used for the same, and image display apparatus using the same Physics 0 Expired
US7436593B2 Screen, fresnel lens sheet used therefor, and image display apparatus using the same Physics 0 Expired
US7581838B2 Optical projector and image display apparatus using the same Physics 0 Active
US7675679B2 Image display device and Fresnel lens sheet used therefor Physics 0 Active
US7440186B2 Screen, a fresnel lens sheet used for the screen, and an image display apparatus using the screen Physics 0 Active

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