Inventor
NAKAZAWA KIMIAKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “NAKAZAWA KIMIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO OPTICAL CO LTD
9 patentsUS6353509B1Mar 5, 2002
Wide-angle lens
FUJI PHOTO OPTICAL CO LTD58 citations95
US6038085AMar 14, 2000
Super wide angle lens
FUJI PHOTO OPTICAL CO LTD55 citations95
US6137635AOct 24, 2000
Projector apparatus
FUJI PHOTO OPTICAL CO LTD24 citations92
US5949589ASep 7, 1999
Retro-focus type lens
FUJI PHOTO OPTICAL CO LTD20 citations92
US6457829B1Oct 1, 2002
Projection device comprising a correction lens arranged between a prism optical system and at least one of three optical modulation elements
FUJI PHOTO OPTICAL CO LTD27 citations91
US6840624B2Jan 11, 2005
Polarized beam splitter and projection-type image display using it
FUJI PHOTO OPTICAL CO LTD7 citations73
US6160671ADec 12, 2000
Retro-focus lens
FUJI PHOTO OPTICAL CO LTD11 citations73
US6493152B2Dec 10, 2002
Wide converter lens
FUJI PHOTO OPTICAL CO LTD2 citations62
US6449100B2Sep 10, 2002
Teleconverter lens
FUJI PHOTO OPTICAL CO LTD6 citations62
FUJINON CORP
3 patentsUS7558002B2Jul 7, 2009
Projection zoom lens and projection-type display device
FUJINON CORP4 citations62
US7227693B2Jun 5, 2007
Zoom lens and projection display device using the zoom lens
FUJINON CORP5 citations62
US7672062B2Mar 2, 2010
Projection zoom lens and projection type display device
FUJINON CORP1 citations52