Inventor
TSUTSUMI KATSUHISA
JP22 patents
⚠️ This page may combine multiple inventors who share the name “TSUTSUMI KATSUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO OPTICAL CO LTD
12 patentsUS5561560AOct 1, 1996
Zoom lens system
FUJI PHOTO OPTICAL CO LTD22 citations92
US5159493AOct 27, 1992
Retrofocus type wide angle lens comprising a fixed group and movable corrective and rear groups
FUJI PHOTO OPTICAL CO LTD23 citations92
US6058269AMay 2, 2000
Oscillation isolating attachment lens system
FUJI PHOTO OPTICAL CO LTD16 citations83
US6556355B2Apr 29, 2003
Mount conversion adaptor lens
FUJI PHOTO OPTICAL CO LTD11 citations73
US6288847B1Sep 11, 2001
Attachment lens system
FUJI PHOTO OPTICAL CO LTD10 citations73
US5737127AApr 7, 1998
System of focusing zoom lens
FUJI PHOTO OPTICAL CO LTD11 citations73
US6813089B2Nov 2, 2004
Extender optical system
FUJI PHOTO OPTICAL CO LTD2 citations62
US6791765B2Sep 14, 2004
Retrofocus wide-angle lens
FUJI PHOTO OPTICAL CO LTD2 citations62
US6549344B2Apr 15, 2003
Retro focus type wide-angle lens apparatus using the same
FUJI PHOTO OPTICAL CO LTD5 citations62
US6285510B1Sep 4, 2001
Zoom lens
FUJI PHOTO OPTICAL CO LTD2 citations62
US5991092ANov 23, 1999
Zoom lens
FUJI PHOTO OPTICAL CO LTD3 citations62
US6351336B1Feb 26, 2002
Attachment lens for short distance shots
FUJI PHOTO OPTICAL CO LTD0 citations41
FUJIFILM CORP
7 patentsUS9494770B2Nov 15, 2016
Imaging lens and imaging apparatus equipped with the same
FUJIFILM CORP0 citations52
US9389398B2Jul 12, 2016
Imaging lens, and imaging apparatus including the imaging lens
FUJIFILM CORP1 citations52
US9176306B2Nov 3, 2015
Imaging lens and imaging apparatus
FUJIFILM CORP1 citations52
US9477068B2Oct 25, 2016
Imaging lens and imaging apparatus
FUJIFILM CORP0 citations41
US9335523B2May 10, 2016
Imaging lens and imaging apparatus
FUJIFILM CORP0 citations41
US9239448B2Jan 19, 2016
Imaging lens, and imaging apparatus including the imaging lens
FUJIFILM CORP0 citations41
US9036279B2May 19, 2015
Imaging lens and imaging apparatus
FUJIFILM CORP0 citations41