Inventor
YAMADA KATSU
JP40 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA KATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC IP MAN CO LTD
11 patentsUS10928720B2Feb 23, 2021
Projection optical system, image projection device and image projection system
PANASONIC IP MAN CO LTD1 citations62
US12504680B2Dec 23, 2025
Optical system, image projection apparatus, and imaging apparatus
PANASONIC IP MAN CO LTD0 citations52
US12270976B2Apr 8, 2025
Optical system, image projection apparatus, and imaging apparatus
PANASONIC IP MAN CO LTD0 citations52
US11187968B2Nov 30, 2021
Image projection device
PANASONIC IP MAN CO LTD0 citations52
US12481137B2Nov 25, 2025
Optical system, image projection apparatus, and imaging apparatus
PANASONIC IP MAN CO LTD0 citations51
US12422655B2Sep 23, 2025
Optical system, image projection apparatus, and imaging apparatus
PANASONIC IP MAN CO LTD0 citations51
US12379579B2Aug 5, 2025
Optical system, image projection apparatus, and imaging apparatus
PANASONIC IP MAN CO LTD0 citations51
US11520126B2Dec 6, 2022
Projection lens system and image projection device
PANASONIC IP MAN CO LTD0 citations51
US11513325B2Nov 29, 2022
Projection lens system and image projection device
PANASONIC IP MAN CO LTD0 citations51
US10444612B2Oct 15, 2019
Projection optical system and image projection device for projecting an image light flux onto a projection surface
PANASONIC IP MAN CO LTD0 citations42
US9927684B2Mar 27, 2018
Projection optical system and image projector
PANASONIC IP MAN CO LTD0 citations42
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS7126760B2Oct 24, 2006
Image stabilizing zoom lens
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5814806ASep 29, 1998
Code sheet representing multiple code information and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US5583698ADec 10, 1996
Aspherical zoom lens
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US5434709AJul 18, 1995
Wavelength-selective phase grating type optical low-pass filter comprising adhesive layer between transparent layers
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US7139130B2Nov 21, 2006
Zoom lens, and optical apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
US6999240B2Feb 14, 2006
Zoom lens and video camera using it
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations81
US7336419B2Feb 26, 2008
Zoom lens, still image camera comprising the zoom lens, and video camera comprising the zoom lens
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US7161742B2Jan 9, 2007
Small zoom lens, and digital camera and video camera both having same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US5555132ASep 10, 1996
Wide-conversion lens and a zoom lens with it
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6999241B2Feb 14, 2006
Zoom lens, and video camera and digital still camera using the zoom lens
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations61
PANASONIC CORP
9 patentsUS7593166B2Sep 22, 2009
Zoom lens system, imaging device and camera
PANASONIC CORP10 citations84
US7948684B2May 24, 2011
Zoom lens system, imaging device and camera
PANASONIC CORP2 citations63
US7800831B2Sep 21, 2010
Zoom lens system, imaging device and camera
PANASONIC CORP1 citations63
US7755847B2Jul 13, 2010
Zoom lens system, imaging device and camera
PANASONIC CORP2 citations63
US7742235B2Jun 22, 2010
Zoom lens system, imaging device and camera
PANASONIC CORP4 citations63
US7948685B2May 24, 2011
Zoom lens system, imaging device and camera
PANASONIC CORP0 citations52
US7586683B2Sep 8, 2009
Zoom lens, still image camera comprising the zoom lens, and video camera comprising the zoom lens
PANASONIC CORP0 citations52
US8004585B2Aug 23, 2011
Zoom lens system, interchangeable lens apparatus and camera system
PANASONIC CORP1 citations51
US7701645B2Apr 20, 2010
Zoom lens system, imaging device and camera
PANASONIC CORP0 citations42
MIYAZAKI KYOICHI
5 patentsUS8243170B2Aug 14, 2012
Zoom lens system, interchangeable lens apparatus and camera system
MIYAZAKI KYOICHI6 citations71
US8472123B2Jun 25, 2013
Zoom lens system, interchangeable lens apparatus and camera system
MIYAZAKI KYOICHI3 citations61
US8279529B2Oct 2, 2012
Zoom lens system, interchangeable lens apparatus and camera system
MIYAZAKI KYOICHI2 citations61
US8189074B2May 29, 2012
Zoom lens system, interchangeable lens apparatus and camera system
MIYAZAKI KYOICHI5 citations61
US8098983B2Jan 17, 2012
Zoom lens system, interchangeable lens apparatus and camera system
MIYAZAKI KYOICHI0 citations51